The North Face Apex STH Pant - Women's: Bomb down St. Moritz and mingle with the aprA^s ski scene wearing these slim-fitting soft-shell ski pants that deliver windproof and virtually waterproof performance. A cozy fleece backing feels soft against your baselayers. Durable Water Repellent DWR is applied to the face of the fabric to provide the first line of defense against wet weather. Wind Protection - Limiting air penetration reduces the windchill factor. WindWallA(R) fabric is a wind-resistant fleece. WindWallA(R) utilizes a unique fabric-bonding process that allows a limited degree of external air permeability (approximately 20 CFM), which drastically reduces the effects of windchill and enhances your warmth and comfort. WindWallA(R) 1 fabric has a mesh liner, while WindWallA(R) 2 fabric has a grid fleece liner for even greater insulation.