Design: Waterproof membrane to keep feet dry from snow, slush, and rain Low cut adds versatility for anytime wear Bungee adjustable laces for a secure fit Heel pull loop for easy on and off In-Shoe Comfort: Membrane is breathable for all-day comfort Sensor3 inserts reduce pressure points for a relaxed fit and improved circulation in the feet Durability & Traction: Rubber outsole for reliable grip on wet or snowy ground