Fr carhartt lined overalls Napa 2112 Cat 4

48x36 insulated FR Carhartt overalls flame-resistant quilt-lined ankle-to-thigh zips, durable double-front design FR quilted twill lining; FR modacrylic batting insulation for warmth Meets the performance requirements of NFPA 70E UL® classified to NFPA 2112 Cat 4 High back with FR suspenders and FR center-release buckles Two large lower-front pockets Double-layer knees Ankle-to-thigh brass leg zips with Nomex® FR zipper tape and protective flaps with arc-resistant snap closures