Lake Cycling 2014 Men's MX331 Cylco Cross Bike Shoes Kangaroo Leather Upper: Light weight, Breathable, Form fitting. Abrasion resistant & Anti-microbial Real Rubber Outsole with SPD compatible slots. Silver mesh: Breathable, Abrasion resistant, Anti-microbial. Outlast Temperature regulating heel BOA technology closure system. Micro-adjustable closure that equalizes pressure. The CFC race last is specifically shaped for optimal power transfer