The KEEN Uneek O2 Sneaker perfectly complements your active outdoor lifestyle. This casual sandal features a Metatomical (metatarsal and anatomical) EVA footbed that conforms to the natural contours of your foot while providing arch support and cushioning. Cleansport NXT for natural odor control Metatomical microfiber footbed Fully enclosed heel with soft, quick-dry lining Lightweight EVA midsole High-traction rubber outsole pods.