MSA V-Gard Hard Hat Winter Liner Knit Cap 10118417 (Box of 12)Get superior under the helmet warmth and protection with these winter liners, Choose Supreme, Select or Value in any of four different styles, including flame retardant and flame resistant models. Delivers extra warmth and protection under safety helmets Supreme liners offer three layers of true flame resistance (FR) and superior resistance to arc exposure (ATPV of 8 cal cm2) Select liners can be laundered up to 50 times without affecting flame