Features: Made of high quality 4mm neoprene and nylon, ultra lightweight and comfortable. Anti-slip rubber covers the entire sole which grips well, keep you from slipping or falling. Reinforced well made with strong flat-lock seams, abrasion resistant and tear resistant. Short top slip-on design with elastic cuff, easy and convenient to wear and take off. Special back heel design fits perfectly with open heel fins for scuba diving. Suitable for water sports, like snorkeling, scuba diving, swimming, rafting and so on.