The North Faceare experts in creating jackets driven by technology and the Men's Apex Bionic Jacket is packed full of innovative functions. This soft shell jacket uses The North Face Apex ClimateBlock fabric technology which is rated at 0 CFM for wind permeabilityand offers complete protection against howling winds. This plain weave Polyester windstopper has been combined with a fleece backer to ensure that your receive a comfortable and stretchy fit. The jacket is water resistant andwater beads instantly upon contact.