An adjustable hood molded cuff tabs and shock cord regulation at the waist keeps out the draughts on blustery winter days while the high loft fleece backer gives the lining a soft and cosy next to skin feel windwall fabric windwall174 fabric is a proprietary wind resistant fleece from the north face174 windwall174 utilises a unique fabric bonding process that allows a limited degree of external air permeability approximately 20 cfm thereby drastically reducing the effects of win