- Size: 36-42 • High-quality material: 90% classic cotton and 10% elastane, more comfortable than 80% cotton socks. Does not deform or wear out easily, with smooth seams on the toes and highly elastic cuffs. • Universal size: Suitable for sizes 36-43, with good elasticity that fits your feet perfectly without being too tight or loose. The sole and toe are made of abrasion-resistant material, well protecting the skin of the toes and heel.