The Scott Road Rc Python Shoe Is Built Around Fit And Comfort, Without Compromising On Performance. A Surround Wrapping Upper Offers A Personalized-Like Fit And Makes Long Rides More Enjoyable.Features:- Stifness Index 9- Carbon Fiber Composite Sole- Boa® Fit System L6- Adjustable Ergologic Insole- Footbed: Adjustable Ergologic Removable InsoleSpecifications:Composition:- Outsole: Nylon / Carbon Fiber Composite, Sticki Rubber / Stiffness Index 9- Upper: Lightweight Thermoplastic Polyurethane, 3d Airmesh- Weight: 290g (Us 8.5)Technology:Boa® Fit System:- Delivering Fit Solutions Purpose-Built For Performance, The Boa® Fit System Consists Of Three Integral Parts: A Micro-Adjustable Dial, A Super-Strong Lightweight Lace And Low Friction Lace Guides. Each Unique Configuration Is Engineered For Fast, Effortless, Precision Fit And Is Backed By The Boa® Guarantee.- Agility And Speed: The Boa® Fit System Enables Faster, More Powerful Directional Changes Through A Seamless Connection Between Equipment And Body.- Power And Precision: Power Without Compromising Precision, The Boa® Fit System Delivers More Explosive Action And Unparalleled Accuracy.- Endurance And Health: Go Further, Faster, And Stronger. The Boa® Fit System Saves Energy By Improving Circulation And Efficiency.- Durability And Quality: Engineered With High Quality, Durable Materials, And Rigorously Field Tested, The Boa® Fit System Is Guaranteed To Perform In Any Environment. Adjustable Ergologic Insole System:- Our High-End Road And Mountain Bike Shoes All Come With An Anatomically Designed, Adjustable Insole. Foot Zoning Allows Us To Consider The Anatomical Shape Of The Foot And Ergonomically Pre-Shape Our Insoles For A Perfect Fit To Support The Cyclist´s Foot. This Provides A Stable Foundation For Improved Comfort And Power Transfer. The Scott Modular Footbed Allows For Adjustments To The Rider'S Individual Needs And Preferences With Three Different Volume Arch And Metatarsal Pads For Medium- And Low-Volume Feet.The Footbed Is Designed To Maximize Performance And Comfort:- Metatarsal Pad: Reduces Forefoot Numbness And Evenly Distributes Pressure- Arch Adjustment: Allows For Correct Foot Alignment And Adjusts For Individual Arch Geometry And FitRacing Fit:- Just As No Two People Are Alike, Neither Are Their Feet. We Strive To Create Shoes That Provide A Supportive Stable Platform For Maximum Performance And All-Day Comfort. A Shoe That Can Adapt To A Wide Range Of Feet And Offer A Glove-Like Fit.