RUGGED SHARK Size 12 Men's Activewear Athletic Water Shoes, WaterX Men's Drainage with Bungee Lace Up, Sports Water Slip on SneakerNewMachine WashSole materialRubberOuter materialMeshClosure typePull-OnAbout this itemCOMFORTABLE FABRIC: The upper is made of lightweight mesh material with a degree of stretch, fully breathable and when combined with the drainage ports in the sole, offers a quick-dry experience. The slip-on sock-like construction offes both superior comfort, and also supportive fit through a bungee-style lacing system designed for active adventure.DRAINS FROM SOLE: With an active meshed-port drainage feature, this men’s water shoe construction provides a cushioned ride and drains water from the interior of the shoe. Perfect for wet/dry environments, including sandy and rocky footing. Mesh scren keeps small particles from coming into the drainage ports, and bungee lacing keeps the fit snug around the foot.KICK HEEL: Use the extended "kick heel"