Product Details Built to handle the abuse of being jammed under thwarts and stuffed to the bottom of the dry bag, the Astral Men's PFD Sandals deliver comfort, balance and unmatched traction on and off the water. Combining the time-tested webbing and straps from their PFDs with the trusted soles of the Loyak, the PFD Sandal is one of a kind. 100% recycled canvas upper with a stretch mesh tongue. Adjustable straps across the foot and heel for a customized fit. Outsole constructed with Astral's stickiest, high surface contact rubber. FlexGrip™ is non-marking, super flexible, and razor sip Featuring the most breathable, open-top sandal design, the Webber is built to run, jump, swim and climb. Intended Use: Water, Casual, Boat, Travel Uppers: 100% recycled polyester canvas Midsole: 75C closed cell EVA foam, 13 mm thick Outsole: Flex Grip™ outsole with G.ss Rubber™ Antimicrobial Footbed Foot to Ground Distance: 16mm Weight/shoe: M9 = 8 oz (227 g) (7.376 oz)