CONSCIOUSLY CREATED & MATERIAL: Recycled PET plastic bungee upper and lace lock system for a secure fit with a smaller environmental footprint; Quick dry lining for active use TRACTION: KEEN slip resistant AquaGrip rubber offers sure footing on slippery surfaces; Stability shank offers lightweight underfoot support for improved mobility on uneven surfaces FIT & COMFORT: Women specific design is wider than the industry norm for improved fit and comfort in and out of the water; Non removable footbed with arch support; Light flexible cushioning springs back after each step CLOSURE & HEEL LIFT: Lace lock bungee capture system provides a secure fit while offering a quick and easy way to get footwear on and off; Lifted heel for a more forward stance and look, plus a cupped heel for stability FIT & CARE: KEEN Original Fit gives generous space for toes to spread out; Hand wash with cold water and mild soap; Remove excess dirt/spot clean with a stiff brush or soft cloth; Do not machine wash; Allow to air dry away from heat