These 3mm neoprene socks provide great insulation and protection while doing water sports and beach activities. They have a premium quality design with anti-slip sole, durable nylon, and smooth skin openings to minimize water coming in. Ergonomic design guarantees comfort and flexibility, and they fit multiple sports like swimming, diving, and yoga. Features 1. Cool Water Socks: These 3mm neoprene socks for water sports and beach activities are cool, the ergonomic design makes no wrinkle on feet back, it's very comfortable to wear them to walk on the beach or in the water without shoes. 2. Keep Your Feet Warm and Safe: These beach socks provide great insulation for cooler waters and great proctection for your soles, keep your feet warm and protects your feet from injury while doing water sports and beach activities. 3. Premium Quality: These neoprene socks are made from ultra stretchy premium quality neoprene with a tougher than standard anti-slips sole expecting them to feel both flexible and fitting for your feet when you're doing water sports and beach activities! 4. Glued blind stitched seams and smooth skin openings minimize water coming in, keep feet warm; Bottoms are designed with coating process, much more abrasion-resistant, and durable for long lasting use, you can walk on the beach or in the water freely with these neoprene socks. 5. Ideals for Various Sports: Neoprene Socks fits multiple water sports: lake pool ocean swimming, snorkeling, jetskiing, kayaking, paddling, boarding, diving, surfing, or just hanging out with your feet in the water; Beach Activities: sand soccer, beach volleyball, beach combing; Exercises yoga, pilates. Specification Material: Nylon, Neoprene Color: Black, Blue, Pink, Grey Size: M:14-15 inch, L:15-16 inch, XL:16-17 inch Weight: 100 g, 110 g, 120 g Thickness: 3 mm Package Include: 1 Pair Diving Sock