High performance even when the elements are against youThe Ultratac™ outsole gives you elite grip, while the D3O® insole provides added protection and vibration reduction. The BOA® Fit System allows for easy micro-adjustability for on-the-fly fit adjustments, while the tuned midsole of these MTB winter shoes provide additional performance, comfort, and power to every pedal stroke. Key Features:Flat pedal mountain bike shoesBOA® Fit System provides on-the-fly adjustabilityUltratac™ outsole for elite gripD3O® insole for added protection and vibration reductionSpecifications:BOA® Fit System for micro-adjustabilityTuned midsole for performance and comfortUltratac™ outsole for elite gripHigh collar helps keep dirt, debris, and moisture out of your shoeD3O® insole for added protection and vibration reduction