This men's Timberland® Heritage 6-inch boot is constructed with a premium upper using Better Leather sourced from a sustainable tannery rated silver for its environmental processes. Another eco-conscious material is the durable ReBOTL™ fabric lining, which contains at least 50% recycled plastic. Helping to keep your feet warm, comfortable and dry, the boot features lush, down-free PrimaLoft® insulation and a waterproof seam-sealed construction. The padded collar and Anti-fatigue removable footbed add even more comfort. Upper in abrasion-resistant and waterproof-coated Helcor® leather from a sustainable tannery rated silver for its water, energy, and waste management practices Durable ReBOTL™ fabric lining made with at least 50% recycled plastic Comfortable padded collar 400g PrimaLoft® insulation for winter warmth Waterproof seam-sealed construction Footbed with Anti-fatigue technology for shock absorption and energy return Durable rubber lug outsole for grip.