This is the Akona 2mm Low Cut Neoprene Socks Scuba Snorkeling Swim Sock Features: 2mm Low-Cut Dive Socks Nylon 2 Neoprene Rubber Glued and Blind Stitched Seams Edges Finished with Black Nylon Binding for Strength and Comfortable Fit Taped Elastic Top Edge for Better Wear Akona's Low-Cut Neoprene Socks are just the ticket. Akon's 2mm Nylon 2 Neoprene Socks utilize glue and blind stitched seams for a superior water seal. Low-Cut Socks have been redesigned to provide a better fitting, warmer dive sock. All edges are finished with black nylon binding for a strong, comfortable fit. Top edge is taped and sewn for strength and durability.