Description of The North Face Apex Bionic Vest Four-way stretch, excellent breathability, water resistance and good thermal capability all come together in a stylish vest. The North Face Apex Bionic is constructed with Apex Weatherblock fabric, a technology breakthrough - The North Face signature stretch material with an abrasion- and water- resistant face and a comfortable soft-brushed interior. The North Face calls this vest bionic for a reason. The North Face Apex Bionic Vest features Apex ClimateBlock fabric wind permeability rated at 0 CFM and Apex technology. Features: 90D x 90D 10.3 oz/yd2 polyester plain weave Apex ClimateBlock FABRIC: with DWR Apex Weatherblock fabric wind permeability rated at 5 CFM Two hand pockets Hem cinchcord Standard Fit