Engineered to be super tough yet lightweight, this structural fire helmet is constructed from Thermoglas® material using a thermoset fire-retardant resin. The molded nylon inner liner features a polyurethane foam thermal barrier to deliver both impact protection and resistance to internal heat rise. A washable Nomex® outer shell backed with three layers of FR cotton flannel protects the ears and neck. The U-Fit headband system featuring a 6-point nylon crown strap and crown pad provides 36 different adjustment settings to ensure a comfortable fit. The helmet features a 4" standard visor and a Nomex® chinstrap with a one-hand quick-release buckle and postman slide for fast removal and adjustment. Meets and exceeds NFPA 1971, Standard on Protective Ensemble for Structural Firefighting and Proximity Firefighting, Pertaining to Structural Fire Helmets.