Design: Best for: All-day wear, Day hikes, Water activities, Light hikes Easy hook-and-loop closure comes on and off quickly and gets the fit just right Verifiable REPREVE® polyester yarn by Unifi®, these sandals save 4 plastic bottles from ending up in landfills In-Shoe Comfort: The Universal Strapping System™ supports your foot and stands up to abuse Lined with Ariaprene® for increased comfort against the foot Molded EVA midsole with heel cupping and arch cookie for added support Durability & Traction: Quick-dry webbing made from recycled plastic using traceable VIBRAM® Mega Grip outsole has the optimal balance of durability and sticky traction for wet and dry surfaces Additional Details: Half pair weight for size W7/M9: 8.25oz