Overseas customers please note sizes are UK The Arroyo II combines all the best features of a trail shoe and a sandal. Open vents on the side of the waterproof leather upper provide maximum breathability. The multi-directional lug outsole bites into varied terrain with determination. This hybrid design redefines outdoor footwear with performance you can count on. Weight: 13.9 oz/394g Type: Bungee Styles, Hiking - Low Cut Fit Tip: We find this style runs about ½ size big Lining: Hydrophobic mesh Upper: Leather and textile Rubber: Non-marking rubber outsole 4mm multi directional lugs Aegis Microbe Shield™ treated lining Dual density compression molded EVA midsole Hydrophobic mesh lining Maximum breathability in a light hiker Non-marking rubber outsole Patented toe protection Removable metatomical dual density EVA footbed S3 Heel support structure Secure fit lace capture system Torsion stability ESS shank Washable waterproof leather upper S3 Shock, suspension, stability – otherwise known as S3 – is engineered to support the foot on impact, dissipate shock and reduce your odds of twisting an ankle. AEGIS MICROBE SHIELD Aegis Microbe Shield controls the bacteria and fungi that cause odors, stains and product deterioration. Aegis technology is free of environmentally harmful substances. METATOMICAL FOOTBED DESIGN This internal support mechanism is anatomically engineered to provide excellent arch support and cradle the natural contours of the foot. KEEN.PROTECT Can a sandal protect your toes? The answer is yes. The reason is KEEN Patented Toe Protection where the shoe outsoles wrap up and over the toes for ultimate protection.