1. Contains SEBS material, non-toxic and harmless, good stability, aging resistance and heat resistance, good elasticity, not easy to deform 2. U-shaped wear, protect the forefoot, wear on the big toe and the little toe, normal compression, avoid the friction between the foot and the shoe 3. Nylon material, strong toughness, good wear resistance, strong elasticity 4. Edge rubber wire material, good elasticity, not easy to deform, tear-resistant, wear-resistant and durable 5. Material: nylon, rubber silk, SEBS 6. Size: S about 10x8 cm, L about 11x9.5 cm 7. Weight: S about 32 grams/pair, L about 42 grams/pair
