DescriptionMen's midweight overalls that are insulated, flame-repellent, and water-repellent.Flame-repellent, water-repellent, and tough as nails, these men's midweight overalls are ready for the most rugged work environments. They're made of Quick Duck® canvas, which is lighter than our traditional sandstone duck but ounce-for-ounce just as tough. Born for the cold, they have a quilt lining to the waist as well as insulation throughout. A double layer at the knees makes them durable enough for kneeling in the mud or snow.Engineered for extreme warmth in the coldest conditions on earth. See Technology section below for more details.Features8.5-ounce, 88% cotton / 12% nylon FR Quick Duck®150g 3M™ Thinsulate™ Platinum FR insulation; 55% Modacrylic 30% Aramid 15% PolyesterMeets the performance requirements of NFPA 70EUL® classified to NFPA 2112; Carhartt FR and NFPA 2112 labels sewn on front pocketHigh back with FR suspenders and FR side-release bucklesMulti-compartment bib pocket with zip closureBrass zip fly with Nomex® FR zipper tape; AFR melamine buttons at waistTwo large lower-front pockets; Two reinforced back pocketsArticulated knees for ease of movementDouble-layer knees with openings for adding knee pads and cleaning out debrisBrass leg zips with Nomex® FR zipper tape and protective flaps with arc-resistant snap closuresModel No. OR2691-FRMCountry of Origin: Imported