The diving socks can slow down the temperature loss of your feet effectively to keep them warm during water sports. Features: The diving socks are made of 3MM neoprene and nylon material, they are soft, and high-elastic. Designed with hook and loop bandage style closure, it is stable and prevent water leaking into socks. With excellent thermal insulation performance, design to keep your feet warm effectively during water sports. Applied with anti-slip rubber on the bottom sole, providing you a great grip and fraction during diving or other water sports. Also can protect your feet from hurt by rocks, sea lice, jellies, coral or other sharp objects while underwater. Perfect for diving, snorkeling, surfing, drift, swimming and more. Specifications: Material: 90% neoprene + 10% nylon Size: S: 22 x 16.5cm, Sock Upper Diameter: 11.5cm, Suitable for Footwear Size: EU 38-39 M: 23 x 17cm, Sock Upper Diameter: 13cm, Suitable for Footwear Size: EU 40-41 L: 24 x 18cm, Sock Upper Diameter: 18cm, Suitable for Footwear Size: EU 42-43 XL: 25 x 19cm, Sock Upper Diameter: 19cm, Suitable for Footwear Size: EU 44-45 Package Contents:1 Pair of Diving Socks Please Note: 1. Due to manual measurement, please allow there are subtle differences. 2. Due to different display, the color might be slightly different.