Long Premium Neoprene Diving Socks 3mm | PALMA LT by Cressi: quality since 1946 Cressi is a REAL diving, snorkeling and swimming Italian brand, since 1946 Tall socks made with 3mm thick Super Elastic and Ultra Durable Neoprene & Nylon Grip Sole Design made with Durable Rubber: Non-Slip on Wet Surfaces such as Boat Decks and Slipper Ladders Great for Full Foot or Open Heel Fins Built-to-Last with Glued-and-Sewn Seams for Strength and Durability