Women's The North Face Sierra Mid Lace Up TNF - Black/Gardenia White Lightweight, waterproof, and insulated, the Women’s Sierra Mid Lace Boots combine full-grain leather with an engineered rib knit to perfectly balance style and comfort. Cozy, fur-lined collars are the finishing touch on these ankle-high boots for cold-weather adventures. DETAILS: Waterproof, seam-sealed construction Rustproof metal hardware 100g 100% recycled synthetic insulation Minimalist faux-fur top collar OrthoLite® sockliner Sole Unit | Single-density, molded-EVA midsole Rubber wrap in the toe for additional durability and protection Surface Control™ rubber outsole optimized for winter conditions