Lake Cycling 2015 Men's MX175 Mountain Bike Shoes - Red/Black (Red/Black - 47) Action Leather Upper: Breathable, Durable & Form fitting. Air-mesh: Breathable & Abrasion resistant. Real Rubber Outsole with SPD? compatible slots. Air-mesh: Breathable & Wicking. Fiberglass-injected Hi-Impact Nylon outsole. BOA technology closure system. Micro-adjustable closure that equalizes pressure.