Lace-up boot with adjustable circumference featuring full-grain leather upper and anti-fatigue footbed FEATURES of the Timberland Men's Chestnut Ridge 6 Inch Mixed Media Waterproof Boot Premium full-grain waterproof leather from a silver-rated tannery provides comfort, durability and keeps feet dry Fully gusseted tongue features waterproof leather to keep water and debris out 100% organic cotton laces TPR welt for a premium look Extra-soft 100% recycled PET lining and footbed cover for exceptional comfort Exclusive anti-fatigue comfort technology provides all-day comfort and support EVA midsole for all-day comfort, lightweight cushioning and shock absorption 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