OluKai Kōko'o Waterproof Flip Flop Black Pool Beach Resortwear Rubber Mens sz 10 No Flaws No Stains No signs of wear Made from durable, waterproof rubber, the Kōko‘o sandal is ready for a day at the beach or by the pool. With its high-traction outsole, it provides reliable stability on both wet and dry surfaces, making it ideal for any waterside activity. Waterproof Cushioned insole with arch support Rubber upper, lining and sole