The underwater boots are designed to offer a warm and free movement for you. It was made from neoprene material, engineered to improve extra protections to your feet in different circumstance and boost performance to guarantee the flexibility and safety during your water adventures. Features: The diving booties is made of 3mm premium neoprene and nylon, which is super stretchy and breathable. Features 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. The dive booties men women can provide incredible comfort and flexible for you, Thus, they make your dive trips enjoyable and fun. These diving boots have deeper recess to reduce the weight or it can create enough friction. Suitable for beach, snorkeling, swimming, scuba diving, surfing, sailing, kayaking, canoeing, paddling, rafting, etc. Specifications: Material: Neoprene, nylon, silicone Size: 4# (34-35)/ 5# (36)/ 6# (37-38)/ 7# (39)/ 8# (40-41)/ 9# (42)/ 10# (43-44)/ 11# (45-46) (optional) Weight: 690g/ 24.3oz Package List: 1 pair * dive booties