Devold Safe is a versatile wool underwear that covers the need for protection in occupations where one is exposed to heat and flame during the work day. Safe is knitted with Lenzing FR® and merino wool, with polyamide reinforcement. Safe is the lightest flame retardant underwear in the Devold Protection collection. Since it's knitted in a rib structure, the underwear is very elastic and follows your body movement. Safe has a high percentage of merino wool, and therefore keeps your body dry and comfortable even during high activity. Balaclava model 817 is EN13911 approved.