11. High-quality material: Made of 70% nylon, 25% lycra, 5% spandex, lycra fiber is highly elastic, but can quickly return to its original state with the disappearance of tension. 2_x000D_2. High reflective: 360° full reflective details, cutting-edge technology C790 reflective material, to ensure riding safety. 3_x000D_3. Comfortable fit: Y-shaped fit heel, reinforced and effectively prevent slipping, fit more closely to the foot joints, and increase the elastic wrap of the sole of the foot, which will help the foot to exert better strength. 4_x000D_4. Breathable: comfortable and skin-friendly, soft and hygroscopic, highly breathable, durable and durable, easy to ride. 5_x000D_5. Suitable for sports: cycling, running, climbing, fishing and other outdoor sports.