CleenFreek SportsHygiene Men's Sport Thong (Black) CleenFreek's patented antimicrobial protection inhibits the growth of odor causing bacteria, fungus, mold, and mildew for the life of the sandal Durable one-piece construction provides longevity, 100% waterproof, machine washable, and inhibits smelly odor Slip-resistant outsole great for locker rooms, health clubs, showers, water and outdoor recreational activities Ergonomically designed for ultimate athletic comfort, pliable material conforms to the foot