Constructed from ultra-soft 1.5MM Thermoprene neoprene. Designed to keep feet warm and prevent abrasion. Ideal for all water sports and walking on hot sand or rough concrete. Can be worn with fins for added comfort and grip. Can also be used with wetsuit or hunting boots in cold water. Suitable for underwater activities. Constructed from ultra-soft-4-way stretch 1.5MM Thermoprene neoprene. Designed to keep your feet warm and help prevent abrasion. Perfect for diving, snorkeling, wakeboarding, kayaking, canoeing and all water sports. Also great for walking on hot sand and rough concrete. Great for wearing with full foot snorkeling or diving fins. Helps keep sand from irritating feet when using fins. Slips on easily and prevents chafing; durable traction sole helps you grip the boat deck, dock, or shore. Socks can be worn together with wetsuit boots for added warmth in very cold water or used with hunting or hiking boots to help keep your feet warm. This is a wetsuits Sock. It will help keep you feet warm and comfortable when used in, under or around the water.