BLACKHAWK! Heavyweight Balaclava with NOMEX - Foliage Green Quality tested in the field, made of quality materials Built to withstand the toughest terrain and environments Don't sacrifice price for quality, with Blackhawk you get what you pay for 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 7.4 oz. DuPont NOMEX - 15 total length (38 cm)