Keen Clearwater CNX - Men\'s Outdoor Activity Sandals The essential KEEN fit and protection lightened up to make every step a natural connection. The Clearwater CNX features a webbing upper with traditional KEEN sandal style. The bungee lace allows for customized fit. Multi-directional flex grooves on the low-profile sole enhance the natural flexibility of the foot and improve ground contact while razor siping provides advanced traction on slick surfaces. The contoured arch supports the foot. Features: 4mm midsole drop Contoured arch for added midfoot support Metatarsal ridge for natural underfoot support Multi directional flex grooves for natural flexibility and improved ground contact PFC Free materials Secure fit lace capture system TPU stability shank Technical Specifications: Weight: 9 oz / 255.1g Type: Bungee Styles, Sandals Fit Tip: We find this style runs pretty true to size. Lining: AEGIS microbe shield treated hydrophobic mesh Upper: Washable polyester webbing Rubber: Non-marking rubber outsole with razor siping Care: All KEEN water sandals are machine washable. Use a small amount of detergent, wash on gentle cycle and air dry.