THE NORTH FACE SIERRA MID LACE WATERPROOF BOOT - WOMEN'SLightweight, waterproof and insulated, the Women's Sierra Mid Lace WP combines full-grain leather with an engineered rib knit to perfectly balance style and comfort. A cozy, fur-lined collar is the finishing touch on this ankle-high boot for cold-weather adventures. FEATURESSurface Control(TM) rubber outsole optimized for winter conditionsWaterproof, seam-sealed constructionMinimalist faux-fur top collarOrthoLite(R) socklinerRubber wrap in the toe for additional durability and protectionUpper| Waterproof, full-grain leather Upper100 g synthetic insulationRustproof metal hardwareSole Unit| Single-density, molded-EVA midsoleTECH SPECSStyle: NF0A4T3XApprox Weight ( 1/2 Pair): 12.93 Oz (366 G)