100% Synthetic Rubber sole Quick-dry webbing made from recycled plastic using traceable, verifiable REPREVE polyester yarn by Unifi supports your foot and stands up to abuse Lined with lightweight, breathable, and 60% recycled polyester mesh that keeps your feet cool and comfortable Easy hook-and-loop closure comes on and off quickly and gets the fit just right Molded PU midsole cushions and supports mile after mile, even with a heavy pack, Nylon shank stabilizes and supports your foot on uneven terrain Best for: multi-day hikes (NO ORIGINAL BOX)