Description: Non-slip bottom, durable and waterproof Warm, elastic and comfortable to wear Not harmful to users, safe and comfortable material Perfect water sport accessory for protecting your feet from scratch and prick Healthy and hard to be come off in the water, very suitable for divers and body surfers Perfect for scuba diving, surfing, bathing, swimming, fishing, free diving, snorkeling, spearfishing and other beach sports Specification: Material: Neoprene Nylon Thickness: 1.5mm Size Chart: Size S Length: Approx. 20.5-22 cm/8.07-8.66 inch China Size: 33-35, UK Size: 1-2, US Size: 1.5-4.5 Size M Length: Approx. 22.5-24 cm/8.85-9.45 inch China Size: 36-38, UK Size: 3-4.5, US Size: 5.5-7 Size L Length: Approx. 24.5-26.5 cm/9.65- 10.43 inch China Size: 39-42, UK Size: 5.5-7.5, US Size: 6.5-8.5 Size XL Length: Approx. 26.5-29 cm/10.43-11.42 inch China Size: 42-45, UK Size: 7.5-10, US Size: 8.5-11 Package Includes: 1 Pair Scuba Diving Socks Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks! Neoprene Boots Surfing Socks Swimming Socks