This item is swimming sock, made of stable materials, with nonskid design, protecting your foot when you are swimming or diving, bringing you comfortable wearing experience. Warm keeping design, and these swimming socks are suitable for winter swimming or diving. Features - ColorBlack -Material:Neoprene - Size: 23.50X17.00X14.00cm/9.24X6.68X5.50in -Note:Suitable for 40-41, 25.5CM/8.5US/6UK/40EU/10.02Inch - Anti-slip design and warm material, protect your feet from rocks or other objects, and keep warm underwater. - Skin-friendly and comfortable, and these diving socks are good accessories for swimming and diving. - Increase propelling force through water, swimming and diving better with these water socks. - Good nonskid design, and you can wear these diving socks playing , comfortable and practical. - Made of stable material, softer, breathable, sweat absorbing and skin-friendly. Package list: 1 x Pair of Diving Sock