Product Material: Nylon, Neoprene Size: M(40-41), L(42-43), XL(44-45) Colour: Black Quantity: 1 pair Package content: 1*Super elastic non-slip diving socks 1.COMFORTABLE FIT: made with 3MM premium neoprene to give you a flexible and comfortable fit, you have less restrictions and less foot fatigue during water sports 2.PROTECTION: With anti-slip design on sole and warm thermal materials to protect your foots from hurt by rocks or other sharp objects and keep warm while underwater, this beach water socks can be worn together with regular booties for added warmth in very cold water, just enjoy it (However, kindly be noted it is not a completely waterproof product, but a diving equipment to match wetsuits ) 3.WIDE APPLICATION: With hi-grip textured construction, this neoprene fin booties is wonderful for beach, snorkeling, swimming, scuba, surfing, sailing, kayaking, diving, perfect gift idea for mother, father, family, friends, lover...ect 4.DURABLE: Glued and blind stitched for superior strength and durability, dont worry about ripped, scuba snorkeling socks will be a long term partner for you 5.FULL COVERAGE: M(40-41), L(42-43), XL(44-45) high stretch and excellent recovery, kayaking surfing booties can be fitted and adjusted all size available for men, women or kids, please choose the size according to your feet length and reference to our size table image