1. Comfortable Fit: The neoprene socks are made of 3MM or 5MM high-quality neoprene, providing you with a flexible and comfortable fit, less restriction and less foot fatigue during water sports (in order to put on this diving socks more easily, it is recommended to lubricate your feet with shower gel or water before putting them on) 2. Protection: The sole adopts non-slip design and thermal material to protect your feet from rocks or other sharp objects and keep them warm underwater. This diving sock can be worn with ordinary booties to add warmth in very cold water and enjoy it to your heart's content (but please note that it is not a completely waterproof product, but a diving equipment that matches a wetsuit) 3. Wide Application: With a high-grip textured structure, this diving sock is perfect for beach, snorkeling, swimming, scuba diving, surfing, sailing, kayaking, diving, paddling, rafting, canoeing, and is a perfect gift for mother, father, family, friends, lover...etc 4. Durable: Adopting bonding and blind stitching, it has excellent strength and durability, no worry about tearing, the wetsuit booties will become your long-term partner