Tilos Osmos Pool Shoes Draining Vented Neoprene Booties for Beach Pool Sand Swim Surf Yoga Water Aerobics SUP 1.5mm neoprene upper and instep. Smoothskin ankle cuff keeps sand and dirt out. Uses: Stand up paddle, surfing, kayaking, canoeing, windsurfing, jetskiing, boating, beach walking, parasailing, fin socks, snorkeling, lake-river-beach walking, sailboarding, pool, sand, swimming, surfing, yoga, shower, etc. Vented sole allows water to drain. Tatex outsole provides outstanding grip in wet or dry conditions.