The Seac Standard HD ultra-comfy 2.5mm neoprene socks are the perfect companion for snorkelers/divers or to walk on a sandy beach. Made with high quality material stretchable neoprene for those who like to wear foot pocket fins or as water-shoe liners. Designed for excellent protection from cold and/or blistered. Sole in Supratex pattern, and all seams are glued for durability and comfort. Ideal 2.5mm socks for diving, snorkeling, standup paddle boarding, kayaking, canoeing and other water sports where feet need to stay warm.