3mm GBS Wetsuit Booties Adult Men Women Water Shoes with Anti-Slip Rubber Sole Sand Beach Shoes for Water Activities Keep you Warm: The water between the skin and the neoprene will form a thermal isolation layer, which will prevent the heat generated from your body spreading out, that will keep you warm. Foot is more sensitive to cold temperature, so it’s important to get yourself a warm shoes underwater. Solid Protection: Thick neoprene and nylon material provide solid barrier from dangerous undersea creatures and unexpected environment objects such as a reef or rock. Not 100% Waterproof: Please be aware that it is not totally sealed, water will come inside. Most of neoprene product from the market has the same characteristics which is not waterproof. Ideal for Various Water Sports: Made of neoprene and nylon, solid and elastic, suitable for various water sports, such as snorkeling, swimming, scuba diving, surfing, sailing, kayaking, canoeing.