Description of The North Face Windwall 1 Jacket - Women's A low pressure front moves in, temperature drops, and the wind is whipping through the city. Exclusive Windwall construction helps ward off windchill while its Windwall fabric wind permeability rated at 20 CFM prevents wind from penetrating its polyester fleece offering the best comfort from a standard fit jacket. The North Face WindWall 1 Jacket helps ward off the windchill factor as a favorite do-it-all fleece that works as stand-alone warmth or a cold-weather layer. Features: Favorite do-it-all fleece that works as stand-alone warmth or a cold-weather layer. Exclusive Windwall™ construction helps ward off the windchill factor. Standard fit WindWall™ fabric wind permeability rated at 20 CFM Two hand pockets Hem cinchcord Standard fit Fabric : [body] 7.8 oz/yd2 WindWall" polyester fleece