Constructed of an abrasion- and wind-resistant shell with a fleece interior, the Ridgeline is the ultimate mid-weight jacket. 306 g/m2 WindWall® 100% polyester with DWR finish (solid). 316 g/m2 WindWall® 100% polyester with DWR finish (heather). Highly wind-resistant with wind permeability at less than 10 CFM (0 CFM is 100% windproof). Brushed micro-gridded fleece interior. Reverse-coil center front zipper and hand pockets. Hem cinch-cord. Embroidered The North Face logo on left sleeve and right back shoulder..BENEFITS. DURABLE WATER-REPELLENT: DWR is applied to the face of the fabric to provide the first line of defense against wet weather.WIND PROTECTION: WindWall® Fabrics greatly reduce the effects of wind chill while providing flexibility and breathability to stay comfortable without overheating.