Description Keen Keen Footwear 1400 Can't decide whether it's a sandal or sneaker day? Get the best of both worlds in the breathable, lightweight Keen® Uneek O2™ hybrid shoe.This brand is a member of the Sustainable Apparel Coalition.Innovative free-moving nylon cord and textile upper construction forms to the foot's shape for a comfortable, glove-like fit. Bungee-lacing system offers a secure fit and feel. Lightly padded collar. Quick-drying Lycra® lining wicks moisture away from the skin for a cooler, drier in-shoe feel. Anatomical EVA footbed supplies underfoot cushioning. Lightweight, molded EVA midsole. Strategically-placed rubber outsole pods in high-wear areas deliver reliable traction. Imported. Measurements: Weight: 10 ozProduct measurements were taken using size 11.5, width D - Medium. Please note that measurements may vary by size.