The sock-like fit and flexible construction of the KEEN EVOFIT ONE sandal makes this a versatile style that is capable of keeping you comfortable and steady on your feet during any outdoor activity. Quick-dry KEEN EVOFIT engineered synthetic upper. TPU reinforcement for added durability in key zones. Evolved performance lace-capture system. Removable, metatomical PU footbed with arch support. PU midsole for comfort. Aquagrip rubber outsole with multi-directional lugs featuring razor siping for maximum traction. Assembled with pride in Portland, Oregon, using the finest materials from around the world. Made in the U.S.A with imported materials. Measurements: Weight: 13 oz Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.