The CrewBoss Oversized Shroud CAL FIRE Face Protector is compatible with multiple style helmets and install with ease. Material: Sigma 4 Star 7.0 oz. Yellow Twill (3) 1” x 2” Adhesive hook & loop attachment to the inner edge of the helmet (2) 1.5" x 6" hook & loop front closure Labeled with NFPA 1977 and Cal/OSHA approvals, including manufacturer date