Waterproof 600 duration nylon upper. Removable 8 mm thermal guard liner. Moisture wicking lining. Lace lock snow collar. Adjustable mid-foot Velcro strap. A recyclable PVC free synthetic rubber that's 50% lighter than natural rubber and 30% lighter than other synthetic rubbers. It is flexible, super comfortable, extremely durable and abrasion resistant. It gives you great traction and a light step any weather. Height: 14. Weight: 4.4 lbs.