Women's The North Face Sierra Mid Lace Waterproof - Tawny Quart/Burnt Umber Lightweight, waterproof and insulated, the Women’s Sierra Mid Lace Boots combine full-grain leather with an engineered rib knit for aesthetics and comfort. Faux-fur top collars are the finishing touch on this cold-weather classic. Our waterproof footwear incorporates a variety of advanced waterproofing materials, treatments, and processes. To help keep feet dry, we use internal waterproof membranes and/or adhesive and seam-seal constructions. DETAILS: 100 G 100% Recycled Synthetic Insulation At The North Face®, We Purchase 100% Of Our Leather From Leather Working Group–Certified Tanneries Minimalist Faux-Fur Top Collar OrthoLite® Sockliner Rubber Wrap In The Toe For Additional Durability And Protection Rustproof Metal Hardware Sole Unit: Single-Density, Molded-EVA Midsole SURFACE CTRL™ Rubber Outsole Is Optimized For Winter Conditions And Is Made With 10% Natural Rubber Upper: Waterproof, Full-Grain Leather Upper Waterproof, Seam-Sealed Construction