1. High uality microfiber material PU shoe upper and nylon mesh inserts. By special treatment it is breathable and dirt resistant.<br />2. Ergonomic soles and insoles to improve the comfort and performance<br />3. Nylon and TPU thermoplastic molding sole provides reliable adhesive force<br />4. Thermoforming adaptive uppers can provide strong support for the ankle and forefoot<br />4. Soft instep 2 closure system with caliper buckle and high security velcro for easy on-the-fly adjustment<br />5. Reflective design to keep you safe when riding at night <br />6. Support locking bolt SPD type， compatible with all major mountain bike<br />Brand Name: SIDEBIKE<br />Model Number: SD-003<br />Upper Materials: Synthetic Microfiber PU Leather <br />Outsole Materials: Nylon and TPU<br />Fastener: Caliper Buckle and velcro<br />Function: Breathability， Light， Anti-Slip<br />Occasion: Mountian Bike， Outdoor<br />Compatibility: SPD<br />Size: 40/41/42/43/44/45/46<br />Weight:: 650g (43 yard)