Design: Heavyweight-denim upper 550 fill goose down for premium comfort 100% recycled P.E.T. patterned webbing Foldable-heel design allows you to wear it as a mule Webbing pull loops at the heel and instep for easy on/off Durability & Traction: Durable rubber outsole, made with up to 20% recycled rubber, offers protection and indoor/outdoor traction Additional Details: Approx Weight (½ Pair): 8.54 oz (242.2 g)