Shearling Winter Boot Women (normal fit) A Petit Nord signature piece. Gorgeous curly shearling cuffs create a LUX look on these medium tall boots. The textured lace rings and laces create a cool contemporary look, but the side zipper ensures an easy-to-use closure. With a 100% natural wool lining, keeping feet toasty and dry during the coldest months. Sustainability: All boots are hand-made in 100% ecological, 100% vegetable tanned, 100% biodegradable and 100% chrome-free leathers and suedes. The TEX Membrane is 100% recyclable and is free from two chemicals; PTFE & PFC. PTFE is claimed to be a cause of birth defects. PFC has been proved to be associated with developmental delays in the fetus and child, including possible changes in growth, learning, behavior and decreased fertility. The zipper tape is made from recycled PET bottles, old fiber and other polyester remnants. The leather welts are made out of 100% vegetable tanned leather.