This is the Akona 2mm Tall Neoprene Socks High-Cut for Scuba, Snorkeling Features: Glued and blind stitched at seams Edges finished wit black nylong binding With the Akona 2mm Neoprene Tall Socks you don't need a heavy sole dive boot when you use your fins. The Akona 2mm Neoprene Tall Socks are glued and blind stitched at the seam for superior water seal. All of the Akona 2mm Neoprene Tall Socks edges are finished with black nylon binding for a strong, comfortable fit.