The Arroyo II elevates performance footwear to the next level by combining all the support and function you expect from a trail shoe, the open breathability of a sandal, and Keen's patented toe protection. ; Washable leather and mesh webbing upper. ; Hydrophobic mesh lining. ; Secure foot capture lace system. ; Torsion stability ESS shank. ; &#198;GIS Microbe Shield treated SBR lining controls bacteria and fungi that cause odors, stains, and product deterioration, while being free of environmentally harmful substances. ; S3 Heel support structure is engineered to support the foot on impact, dissipating shock and reducing the chance of ankle twisting. ; Removable metatomical footbed. ; Non-marking carbon rubber outsole with 4mm multi-directional lugs. Measurements: ; Weight: 15 oz ; Product measurements were taken using size 7, width D - Medium. Please note that measurements may vary by size.