Clorts Men's Water Shoes Athletic Sport Lightweight Walking Sneaker Sandal 3H021B 60% Mesh/40% PU Rubber sole Upper material: anti-hydrolysis pu and breathable mesh Insole: sanitized actifresh technology Outsole: skid-proof and abrasion-resistant rubber outsole Midsole: shock-absorbing eva Fast lacing buckle Breathable and comfortable river trekking shoes Fast lacing buckle for quick on and quick off Octopus&#039; suction cups-like outsole with excellent traction, skid-proof performance and shock absorption Eight drainage holes in the outsole can quickly draw off the water to maintain the shoes dry and cool Sanitized actifresh insole Durable air mesh/anti-hydrolysis PU leather upper allow the foot to breathe. Water drain outsole provides exceptional traction in wet and slippery conditions. Open mesh on the upper and hole on the sole provides for superior breathability and quick drying. Easy to adjust.