The Keen Hyperport H2 sandal features its original fit that has generous space across the forefoot for toes to splay. The quick-cinch bungee lacing allows for easy on & off. Underfoot, is the injected foam midsole for a surprisingly lightweight fit and feel. The Aquagrip rubber outsole delivers better traction on wet surfaces. This adventure sandal is made of washable polyester webbing upper and is quick-drying for active use. It has non-marking multi-directional lugs for increased traction.