MATERIAL & CLOSURE: Washable quick dry polyester webbing straps; Quick dry lining for active use; Lace lock bungee capture system provides a secure fit while offering a quick and easy way to get footwear on and off SUPPORT & COMFORT: Metatarsal ridge for natural underfoot support; Lightweight cushioning footbed with arch support; High rebound underfoot cushioning system that doesn’t compress over time TRACTION: Multi directional lugs with water channel siping help provide superior grip on slippery and wet terrains; Multi directional flex groves for natural flexibility and improved ground contact; Non marking rubber won't leave marks indoors STYLE & FIT: Low profile design for enhanced ground feel in and out of the water; KEEN Original Fit gives generous space for toes to spread out CARE TIPS: All KEEN water sandals are machine washable; Use a small amount of detergent wash on gentle cycle and air dry