Constructed of an abrasion- and wind-resistant outer shell with a warm, technical gridded fleece interior, the Ridgeline is the ultimate mid-weight option for active outdoor adventures. 306 g/m2 WindWall®—100% Polyester With Durable Water-Repellent (DWR) Finish (Solid). 316 g/m2 WindWall®—100% Polyester With Durable Water-Repellent (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. Tonal Embroidered The North Face® Logo On Left Sleeve And Right Back Shoulder. 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.