Premium waterproof uppers from an LWG Silver-rated tannery provide rugged durability. A waterproof membrane keeps feet dry and comfortable for protection in any weather. An inside zipper allows for easy entry. A 100% recycled PET mesh lining and footbed cover made from recycled plastic bottles is comfortable, breathable and environmentally conscious. The OrthoLite footbed provides all-day cushioning and support. The Green Rubber and Timberland exclusive Gripstick outsole is made with our stickiest recycled rubber, 42% to be exact. A unique L7 lug design features multi-directional leading edges with beveled lug sidewalls that allow for self-cleaning and superior traction on a variety of surfaces.