MERRELL REFUGE PRO GORE-TEX WATERPROOF WALKING SHOES A naturally waterproof leather & suede upper uses an anti-odor waterproof membrane to keep things fresh & dry & its cushioned comfort platform keeps your ankles & stride in line via Split heel technology for greater pronation control. Abrasive resistant toe & heel cap & Bellow Tongue cover helps protect your feet against hard rock & debris from going into the shoe respectively. Not only that, with the Merrell air cushion, which is located in the heel helps absorbs shock & adds stability, providing a smoother ride. The outsole is made from Vibrams amazing Refuge Sole/TC5+ Rubber, which is a highly durable & extremely sticky rubber which will provide you a great traction in wet weather conditions or walking on slippery rock.