|Timberland Earthkeeper 6 inch Boot 15551 in Brown Burnished Leather . The inspiration behind our new Earthkeepers boot is borne out of our desire to create an original, outdoor-tested boot with a smaller environmental footprint than other boots. Here they are - Timberland durability and lightweight versatility - the lining is made of recycled materials, the outsole is made with recycled rubber and they\'re waterproof. Leather covered, removable, Smart Comfort system multi-density footbed provides support and comfort, regardless of whether you are walking or standing. Seam-sealed waterproof construction keep feet dry in any weather. Moisture wicking textile lining, 70% made from recycled material, keep feet dry and comfortable. Leather rand for extra protection around the sides. Incredibly durable, rubber lug outsole made with 30% recycled rubber. Airport friendly nylon shank provides support, stability and shock dispersion and should not set off metal detectors.