The Ultimate Flip-Flop | Light, grippy, convertible flip-flop for life in and out of water. G.15 Rubber Flex Grip Outsole | Astral’s most durable rubber compound increases abrasion resistance and longevity while ensuring an excellent non-marking grip on wet and dry surfaces. Balanced Geometry | A flexible outsole, wider toe box, and Level Footbed’s zero drop offer a barefoot-like feel. Water Ready | Lightweight materials are quick-drying, and Astral included a Super Strap accessory that converts the flip-flop into a secure sandal for walking in water. Technical Details | [Intended Use] Casual, Water, Boat, Travel; [Drop] 0mm; [Stack Height] 16mm; [Weight] 5.8oz; [Shape] Original Shape (Secure Midfoot & Heel, Wide Toebox); [Arch] Minimal; [Strap] Synthetic Leather; [Toe Post] Nylon Webbing; [Super Strap] 15mm Polyester Webbing, Acetal; [Midsole] 60C Closed Cell EVA Foam; [Outsole] Flex Grip G.15 Rubber