Mountainbike shoe Shimano SHM315, Elite Off-Road Custom-Fit. Aggressive, rigid and lightweight, plus a perfect anatomical fit. UPPER: Rovenica® ultra-fine-fiber synthetic leather, engineered for specific performance characteristics. Supple, lightweight and comfortable. Excellent elasticity with high memory. Superior durability & high-abrasion resistance. Low-profile micro-adjust buckle and dual off-set straps. Anti-slip heel lining knitted with metal fiber prevents heel lift. Custom heat moldable insoles accommodate and support feet. LAST: Curved, anatomical last with Custom-Fit precision. SOLE: Ultra-rigid carbon long fiber shank with tuned flex. Optional toe spikes increase traction in sand or loose dirt. Best matched with Shimano pedal XTR PD-M980, PD-M985.