NFPA® 2112. Arc Rating ATPV 8.3 cal/cm2. Fabric is flame-resistant jersey, body: 6.75 oz 93% Cotton / 7% Spandex Elastane, contrast Panels: 6.75 oz 93% Cotton / 7% Spandex Elastane. Lightweight stretch fabric flexes with your body for added comfort and range of movement