BLACKHAWK! Lightweight Balaclava with NOMEX - Black fabric 18" Lightweight Constructed of 6-oz NOMEX Internal flat-seam stitching prevents irritation when wearing a helmet Black in color Provides flash/flame protection to the head and neck Constructed entirely of DuPont NOMEX fabric Will not support flame or combust up to 800 F (427 C) Flat-seam stitching on the inside won't irritate when wearing a helmet Lightweight 6 oz. DuPont NOMEX which is ideal for hot climates