Cycling Shoes

Don't let cold, damp winter days slow down your riding. The adidas Five Ten Freerider EPS Mid Mountain Bike Shoes are a winter-ready, mid-height version of our classic Freerider shoes. The addition of PrimaLoft® insulation and an insulated, heat-reflective footbed keep feet warm. A coated, weather-resistant leather upper with minimal seams seals out water for dry feet. Their mid-height cuff adds weather-sealing coverage and warmth. A Stealth® S1 Dotty rubber outsole grips wet, slippery ground and your pedals for full control on and off the bike. - Weather-friendly PU Leather for durability and comfort in all conditions - PrimaLoft Gold insulation package to keep your feet warm - Heat-reflective footboard to retain body heat - Rubber cup sole for added durability - Mid-flex midsole balances pedal feel and power output - Stealth S1 Dotty outsole for unbeatable grip

Step into Wølfgar, the world’s most advanced winter cycling boot. We’ve combined decades of winter cycling experience with NASA-grade insulation materials for a boot that keeps feet warm and dry down to -25ºF. Wølfgar is a boot worthy of singletrack sessions or multi-day expeditions in the harshest winter weather. - Our lightweight three-piece proprietary bottom assembly is compatible with both flat pedals and 2-bolt cleats, and features a rubber outsole with microglass lugs for traction on ice - Waterproof materials and construction keep the elements out, while aerogel under the foot and over the toe block frigid air - On the inside, Wølfgar’s reflective thermal lining retains warmth, and a removable wool and faux-fur liner wicks moisture and insulates

Specifically designed for gravel rides and long hours of cycling on terrain full of surprises, the Sidi Gravel shoe offers comfort and stability on road and off. -The Tecno-3 Push System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -All new proprietary Sidi Wire material that is completely non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -Polyurethane shock absorber with inner padding designed to protect your feet -The reinforced heel cup that stabilizes and supports the heel. Anatomically shaped plastic, reduces heel slip and provides increased power transfer -Provides additional foot protection in the event of a crash -The Sidi MTB Competition Sole has been specifically designed for gravel biking and can be fitted with two toe spikes on the front for traction in difficult and muddy conditions. Toe spikes are sold separately

All-around trail performance Hear the call of the trail? Evoke is the all-around performance mountain bike shoe that awakens the spirit of adventure in trail riders everywhere. Grippy Tachyon rubber soles deliver off-bike confidence while the durable reinforcement of GnarGuard offers protection against trail debris. Product details - inForm Race last offers a slightly roomier, high-performance fit - Glass-reinforced internal nylon plate with full Tachyon rubber outsole - Reliable 3-strap hook and loop closure system - Stiffness index - 6 of 14 - GnarGuard outer protection fights away trail brush and debris Specifications - Upper Fiber Content: 58.7% PU / 10.9% Polyester / 30.4% Nylon - Sole Fiber Content: 100% Rubber - Liner Fiber Content: 100% Polyester

Originating from the conceptual standpoint of a mountaineering boot, the new and evolved Wölvhammer is lighter, more comfortable, and grippier. The overhauled design features a removable synthetic liner and a three-piece proprietary bottom assembly compatible with flat and clipless pedals. When the cold winter creeps in, Wölvhammer has you covered. - Removable synthetic liner boot for quick drying - 3-piece proprietary bottom assembly is lighter, warmer offers more walking traction - Aerogel insulation blocks cold cleats and allows use of preferred insoles without sacrificing warmth - 0 to 25F / -18 to -4C Comfort

The Garneau Klondike M3 Cycling Boot offers ultimate protection and keeps feet warm on long winter rides. - High volume fit last - Cordura 1680D with 400 g ThinsulateTM to resist cold temperatures down to -20°C/-4°F - Boa® IP1 with silicone elastic and neoprene opening with YKK zip - VIBRAM® DURATREK outsole - 3-layer construction insole with felt, 3 mm PE and foil

On or off the bike, the adidas Five Ten Sleuth DLX Canvas Mountain Bike Shoes have that do-it-all feel. They offer the pedal-gripping power of a Stealth Phantom Dotty rubber outsole along with everyday walking comfort and style. A canvas upper and traditional lacing give them a casual look, so you can ride to work, school or around town without looking like you just stepped off your bike. - Stealth Phantom rubber offers high-friction grip and non-marking utility on and off the bike. - The dotty rubber outsole offers unbeatable grip in wet or slippery conditions. - A mix of materials provides uncompromised durability and support.

The Stamp flat shoe does it all, whether on street or trail. The outsole is optimized for Crankbrothers Stamp pedal body, though it is designed to work flawlessly with any flat pedal. Its high-friction rubber compound provides optimal grip and its lug depth absorbs the pins to ensure a secure pedal connection. - Closure System: Classic lace closure system offers smooth closure with round laces and a pocket to safely tuck laces. - Match Compound: Our flat rubber compound (MC2) is optimized for grip and durability. It has high-friction to stick to the pedal body and low rebound properties to dampen vibrations. The lugs are rounded to resist abrasion. - Match Outsole: The tread pattern is designed for traction off the bike. Directionally angled and spaced toe and heel lugs offer traction for hiking up or down steep terrain. The ramped toe provides walkability on steep terrain. - Match System: The tread pattern is designed for maximum contact surface and compatibility with the pedal platform. In addition, the lug depth is designed around pin dimensions to absorb the pin body. Upper Features: - Closure system - Hidden eyelets - Lace pocket - Perforated toe - Mesh windows - Perforated tongue - Reinforced toe - Padded tongue - Heel dots

A versatile road cycling shoe with a foot-wrapping Velcro closure that provides an enveloping fit and an R5 outsole that delivers a balance between comfort and pedaling efficiency. TEMPO POWERSTRAP R5 is a versatile road cycling shoe with an innovative Velcro closure designed for an enveloping fit. - Powerstrap: foot-wrapping Velcro closure designed for an enveloping fit - R5 nylon composite outsole: delivers balance between comfort and pedalling efficiency - R5 outsole – carbon reinforced nylon - Weight: 255g (size 42 - 1/2 pair) - Sizes: 36-48 (37 to 47 also in half sizes) - Colors: 1010 Black/Black, 2010 White/Black, 3010 Red/Black

Ride further, whatever the terrain, whatever the bike, whatever the destination. The Sidi Eagle 10 Mega is the best shoe for any day on the dirt, whatever your riding style. The Microtech upper, the first microfiber introduced in cycling shoes years ago by Sidi, is the most comfortable Sidi has ever offered, while the sole is designed to ensure the ideal combination of performance and comfort both on and off the bike. -The Sidi Mega Last provides Sidi fit and performance to riders who have slightly wider feet -The Sidi Mega Last is 4mm wider across the ball of the foot, has more volume, a higher instep and a wider heel cup -Mega lasts are sized EE to EEE -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep, ensuring an ideal fit -The Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The all new proprietary SIDI Wire monofilament is completely non-binding for intuitive and effortless on-the-fly adjustments -The integrated heel cup, with a new light weight design is reinforced to avoid deformation during the most grueling of rides -The reflective inserts on the heel improve safety on the road, helping to signal the presence of the cyclist in conditions of poor visibility -The shape of the tread has been specifically designed for mountain biking, allowing improved grip, superior mud dispersion and great stability -The toe inserts are easily replaceable and offer the ability to mount crampons for particularly muddy rides -The Sidi MTB SR17 sole represents an ideal balance of stiffness for efficient power transfer and flexibility and comfort for walking

The adidas Five Ten Freerider Pro Mountain Bike Shoes match proven flat pedal control with enhanced impact coverage. Recycled materials raise the bar for sustainability. Stealth rubber and a Dotty tread offer the legendary pedal control you expect from the Freerider family. Their comfortable build lets you move easily from bike to street for everyday versatility. - Lace closure - Quick-dry synthetic upper - Impact-resistant PORON toe box - OrthoLite sockliner - EVA midsole - Stealth S1 Dotty rubber outsole - Yarn in upper contains at least 50% Parley Ocean Plastic and 50% recycled polyester

Get dual performance with these transitional mountain bike shoes. Designed to grip the pedals, they have a weather-resistant suede upper for soft comfort. The skate shoe design is padded for comfort, yet lightweight for all-day rides and walks around town. - One-piece molded rubber cupsole - Non-marking, high-friction Stealth Phantom rubber outsole - Micro Dotty tread - Weight per shoe: 326g (based on Men's Size 9)

Designed to withstand the elements and provide comfort on rugged trails, the Trailcross GTX Flat Shoe blends a durable, hiking-inspired build with a high friction Stealth Phantom rubber outsole. - Bike and Hike outsole: designed for grip at the toe and heel while maintaining a pedal platform under foot - Weather-friendly GTX (Gore-Tex) mesh upper for breathability and comfort - Textile-free and closed cell sockliner - Lace tuck on the middle of the tongue - Neoprene cuff keeps debris out - Non-marking Phantom Dotty outsole for grip on and off the bike - Midsole flex points allow flex while hiking but keep stiffness while on the pedal

PERFORMANCE FLAT PEDAL The performance sneaker that keeps you cool and in control. While the standard 3.0 Flat shoe has laces, this 3.0 PRO model features a micro-adjuster MOZ cable fit system. This lets you make micro-adjustments on or off the bike. Get the perfect fit and then lock in for the ride! The stabilizing neoprene ankle collar will give you that feeling of added confidence as well. How about the grip? Well, this shoe features Leatt RideGrip™ Pro rubber compound which is softer than the standard RideGrip™ rubber. This means pedal connectivity is even better and the shoe will hold better grip in slippy conditions. The improved WaffleGrip Pro sole pattern is an inverted version of Leatt’s WaffleGrip. This allows short pins to dig deep into the sole and delivers great off bike traction when you need to walk. If you want to stay on top of the game, then you need the all new Leatt MTB shoes. - NEW MOZ cable lacing fit system located on top of the shoe - Enables micro-adjustments for the perfect fit and comfort - Easy to use on and off the bike, even with gloves on - NEW RideGrip™ PRO compound for improved pedal feel and control - Sticky Leatt Lab compound sole for ultimate bike control - Maximum tear, puncture and abrasion resistance - NEW improved WaffleGrip Pro pattern for improved grip with short pins - Inverted WaffleGrip Pro pattern in pedal area for maximum pin grip - Heel and toe mud flow channels for grip in all-weather conditions - Durable synthetic leather shoe upper suitable for tough riding conditions: - Tension straps for foot security and weather protection - Ventilation in the toe box and sides Midsole: - Anti-compression EVA midsole for comfort. Insole: - Active Carbon moisture wicking, quick dry, anti-bacteria, anti-odor material for comfort and hygiene Protection: - Stabilizing neoprene ankle collar - Molded stabilizing heel and rigid reinforced toe area Lining: - Active Carbon moisture wicking, quick dry, anti-bacteria, anti-odor material for comfort and hygiene

The Bont Riot, renowned for its world-class performance and anatomical power transfer platform is now available to the masses. Delivering competition-level fit and construction with a micro-adjustable buckle and Velcro retention system, the all-new Riot takes entry-level road cycling shoes to the next level. - Model: Riot - Material: Fiberglass Construction with anti-stretch Microfibre upper - Stack Height: 4.8 mm - Air Vents: Ventilated microfibre inserts featuring microresh inserts - Innersole: Comfort - Sole Guards: Replaceable - Cleat Mounting: 3-Hole Look/Shimano Standard configuration - Fit Customization: Fully Heat Moldable Chassis utilising Expoxy Thermoset Fiberglass - Closing Options: Z Form Velcro and Micro Adjustable Buckle - Color Options: White/Black, Black/White - Sizing Options: Standard - Weight: 295g (each), size 42

Flat Pedal Mountain Bike Shoes with an Impact-Resistant Toe Box The adidas Five Ten Freerider Pro Mountain Bike Shoes match proven flat pedal control with enhanced impact coverage and a quick-drying synthetic upper. Cushioned and water-resistant, they offer comfort for full days on the bike. Stealth S1 rubber and a Dotty tread offer the legendary pedal control you expect from the Freerider. - Lace closure - Fast-drying synthetic upper - OrthoLite sockliner - Molded EVA midsole - Impact-resistant urethane toe box - Stealth S1 Dotty rubber outsole - Imported

Pedal-gripping utility and elevated everyday style. Equal parts high-performance bike shoes and everyday trainers, the Five Ten Sleuth DLX Mountain Bike Shoes let you flow between rides, school, work or the coffee shop with all-around laid-back style. Genuine flat pedal control meets a do-it-all look with Stealth Phantom Rubber and a Dotty tread outsole. - Stealth Phantom offers unbeatable grip and non-marking utility - Dotty tread for optimal pedal control

Tuned grip, on and off the bike. Equal parts high-performance biking shoes and everyday sneaker, these mountain biking shoes are built with a soft suede leather upper for comfort and increased durability. The Dotty tread is coupled with an internal EVA midsole to provide a stiff and supportive platform for whatever action you find yourself facing. Optimal friction - Stealth Phantom rubber outsole. - Padded for comfort yet lightweight for all-day rides and walks around town - Stealth S1 rubber outsole for unbeatable grip - Suede leather upper for comfort and soft feel - One-piece molded rubber cupsole - Textile lining - Regular fit with lace closure - Weight per shoe: 310g (based on Women's Size 7)

Classic do-it-all flat pedal mountain bike shoes. Often copied. Never duplicated. The adidas Five Ten Freerider Mountain Bike Shoes deliver legendary flat pedal control to support everything you do on your bike. Just the right blend of casual style makes for easy post-ride transitions. Stealth S1 rubber and a Dotty tread keep your feet firmly planted on pedals. A mix of leather and mesh adds the durability to keep you riding for seasons to come. SPECIFICATIONS - Lace closure - Leather and textile upper - One-piece molded cupsole - Stealth S1 Dotty rubber outsole - Imported

Are you looking for quality cycling shoes that won't cost a fortune? Let us introduce our brand-new Chrome XZ. It's easy to put on with the mesh tongue and has all our superior components in a simplified version. Our carbon Ergo Air Stream sole was made to boost your pedaling force, reduce energy loss, and prevent cramps. These shoes have been built with extreme precision. Try them on, you'll see how it feels to be a champion! Technical Details: - Technology: Integrated X-Comfort Zone technology with better stretch - New Ergo Air Stream co-injected for great stiffness - Easy slip on and breathable for great comfort - Weight: 8.6oz / 244g (size 42) - Insole: Breathable, ventilated - Closure System: 3 hook and loop fasteners for easy adjustments - Cleats: SPD and SPD-SL compatible with 2-3 bolt

Technical Details: - Comfort fit - Bounder upper all seamless for comfort to prevent pressure points - New BOA Li2 micro-adjustment - Integrated X-Comfort Zone for a large range of feet width - Power Zone technology for better ankle support and stability to prevent adjustment - Carbon-injected/nylon outsole Ergo Grip 2 with improved traction on rocks - Removable studs for better traction in hard conditions - EVA insoles for better shock absorption - 12oz / 340g (size 42)

Technical Details: - Racer Fit for snug upper - Bounded upper all seamless for comfort to prevent pressure points - Integrated double X-Comfort Zone for a large range of feet width - BOA Li2, a new mechanism that generates higher power with finer resolution - PowerZone Technology for better ankle support and stability - Lace system with 4 independent adjustment zone to maximized comfort during long rides - 100% Carbon sole with Patented Air Chanel for constant airflow to prevent fatigue and numbness - 3D insoles with 3 adjustable arches for a custom fit - 7.9oz / 225g (size 42)

Designed for our professional athletes, the Sidi Shot 2S is crafted to deliver optimal power transfer while ensuring the utmost comfort, enabling athletes to stay focused on the road. Its carbon C-Boost sole harnesses the full strength of woven fibers, while the upper is constructed using Bioveg material derived from recycled microfibers and finished with an external plant-based coating. The innovative closure system is strategically positioned away from other riders, enhancing maneuverability in crowded situations. The adjustable heel retention mechanism allows you to secure the heel of the shoe, tightening the heel so that it conforms to any riders' heel shape. - The Tecno-3 Push Flex closure reduces the pressure zone on the instep and significantly improves the comfort of the closure  - The Adjustable Heel Retention Device reinforces the top of the heel cup and improves the fit by closing the back of the shoe securely around the rider's heel - The heel retention device tightens the top of the heel cup so that the heel is secured during steep climbs and sprints. Each side of the heel can be adjusted independently for a perfect fit - The all new Sidi integrated heel cup is reinforced to avoid deformation after prolonged efforts and extreme pressure. Anatomically shaped, it stabilizes and supports the foot while pedaling - The C-BOOST SRS Sole is made of the latest generation carbon, designed to conform to the metatarsal area, increasing the transmission of power directly to the pedals, guaranteeing ideal power transfer and support - Oval holes extend the adjustment position of the cleat by ± 5 mm and a millimeter scale is included for determining the riders personal cleat position - Provided with SRS (Sole Replacement System) inserts in Nylon and TPU, with the function of protecting the carbon in the areas most subject to deterioration from use and for increased durability while walking - The SRS inserts are integrated with ventilation holes that promote the circulation of air inside the sole with each pedal stroke

The iconic design that gave birth to our first cycling shoes over 60 years ago meets modern materials to create our lightest racing shoes. Designed to retain all support and strength, the Sidi Sixty offers the ultimate fit in a pair of racing shoes for cycling. -The Sidi Tecno-4 Push System has a single rotor to reduce the shoe's weight and guarantees the precision of a micro-metric closure -The Adjustable Heel Retention device reinforces the top of the heel cup and improves the fit by closing the back of the shoe securely around the rider's heel -The heel retention device tightens the top of the heel cup so that the heel is secured during steep climbs and sprints, each side of the heel can be adjusted independently for a perfect fit -The Vent Carbon Sole is handmade exclusively of carbon fiber in a weave pattern oriented at opposing angles that maximize stiffness while allowing for a small degree of controlled flex in the toe area -The Vent Carbon Sole features a standard 3-hole drilling pattern, printed 10 mm lateral and fore/aft cleat alignment scale for easy cleat alignment and replacement -The key benefits of the Vent Carbon Sole are not only superior power transfer because of its light weight and stiffness, but also warm weather comfort -For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad

Whatever the journey, Sidi Aertis is there to make it easier and better. The comfort of a premium suede construction meets Firmor Closure technology to offer great lateral support. The nylon sole with replaceable rubber insert allows for maximum grip in any situation and increased walking comfort. -Designed for maximum lateral support the Firmor Closure contours the foot with a solid hold, and allows infinite size adjustment for the ideal individual fit -Sidi's Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The closure uses a new proprietary Sidi Wire monofilament that is completely non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The Sidi MTB SR17 sole represents the ultimate result in terms of stiffness for pedaling and flexibility for walking -The toe inserts are easily replaceable and offer the possibility to mount spikes for particularly muddy rides

The Sidi Wire 2S Road Shoes are engineered specifically for athletes who seek maximum foot stability when unleashing extreme power. Ventilated carbon sole with innovative Firmor Closure lateral support system suitable for athletes who need to combine power transfer with greater lateral foot stability. The specially designed dual-rotor closure offers the ultimate adjustment for the perfect level of lateral stability. -The Single Tecno-3 system creates a perfect tension balance between the shoe's internal and external side, and guarantees an excellent closure adapting to every instep -The Adjustable Heel Retention Device reinforces the top of the heel cup and improves the fit by closing the back of the shoe securely around the rider's heel -The heel retention device tightens the top of the heel cup so that the heel is secured during steep climbs and sprints, each side of the heel can be adjusted independently for a perfect fit -Oval holes extend the adjustment position of the cleat by ± 5 mm and a millimeter scale is included for determine the riders personal cleat position -For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad. Wire's heel pad has a new design and it is very light -The Vent Carbon Sole is designed with an integrated vent and air channels for heat dissipation and air flow. The vent can be opened or closed for 4-season comfort

Dedicated to the difficult to fit, the Sidi Ergo 5 guarantees a perfect fit even for wider soles or high insteps, ensuring rigidity and performance with unparalleled fit and comfort. -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Sidi Mega Last provides Sidi fit and performance to riders who have slightly wider feet -The Sidi Mega Last is 4mm wider across the ball of the foot, has more volume, a higher instep and a wider heel cup -Mega lasts are sized EE to EEE -The Tecno-3 Push Flex dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The Soft Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep -The High Security Velcro closure is safe, simple, reliable, and easy to fine tune -The heel cup is integrated, with a new lightweight design, and is reinforced to avoid deformation after prolonged rides -The Sidi Carbon Composite 20 Sole is constructed of Carbon Fiber injected into a nylon matrix. The nylon is impervious to water damage and doesn't lose rigidity in hot or humid weather or as it ages. The result is a significantly lighter and stiffer sole

The shoe that offers the best for everyone. Whether racing or a casual ride, the Sidi Genius 10 is simply the best platform for a great day in the saddle. Built on over 60 years of experience in manufacturing cycling shoes, Genius is designed on a carbon composite sole that offers the perfect combination of strength and comfort, while the Microtech upper adapts to the shape of the foot for superior comfort. -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Soft Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep -Sidi's Tecno-3 System closure dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -Improved proprietary Sidi wire material is non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 system is serviceable and replaceable -The newly designed integrated heel cup is lightweight and reinforced to avoid deformations during prolonged strenuous use -The Carbon Composite Sole 20 is composed of nylon and injected carbon fiber. The result is a light and rigid sole that is impervious to humidity -The central part of the sole is graduated with a millimetric scale to facilitate accurate and repeatable cleat set-up -For walkability, Sidi cycling shoes include a user replaceable polyurethane heel pad

The shoe that offers the best for everyone: whether racing or on a casual ride, the Sidi Genius 10 Mega is simply the best platform for a great day in the saddle. Built on over 60 years of experience in manufacturing cycling shoes, Genius is designed on a carbon composite sole that offers the perfect combination of strength and comfort, while the Microtech upper adapts to the shape of the foot for superior comfort -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Soft Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep -Sidi's Tecno-3 System closure dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The Sidi Mega Last provides Sidi fit and performance to riders who have slightly wider feet -The Sidi Mega Last is 4mm wider across the ball of the foot, has more volume, a higher instep and a wider heel cup -Mega lasts are sized EE to EEE -Improved proprietary Sidi wire material is non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 system is serviceable and replaceable -The newly designed integrated heel cup is light weight and reinforced to avoid deformations during prolonged strenuous use -The Carbon Composite Sole 20 is composed of nylon and injected carbon fiber. The result is a light and rigid sole that is impervious to humidity -The central part of the sole is graduated with a millimetric scale to facilitate accurate and repeatable cleat set-up -For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad

A fast and efficient shoe with tested strength and grip for the most demanding rides. Intuitive adjustments and a clean design make the Sidi Fast 2 an easy-to-use high-performance shoe. -The Single Tecno-3 system creates a perfect tension balance between the shoe's internal and external side, guarantees an excellent closure adapting to every instep -The newly designed integrated heel cup is lightweight and reinforced to avoid deformations after prolonged strenuous use -The Aerolite sole is designed to maximize aerodynamics and power transmission -The nylon and carbon fiber construction of the Aerolite Sole provides the ideal balance of stiffness for efficient power transfer, and flexibility for comfort -The Fast 2 includes a user replaceable polyurethane heel pad for improved stability and traction off the bike