These insulated bib overalls are perfect for the job site this winter as they come equipped with polyester insulation to keep you warm. Model: R41 Color: Carhartt Brown (BRN) 12-ounce, firm-hand, 100% ring-spun cotton duck Nylon lining quilted to Midweight polyester insulation Adjustable front-elastic suspenders Multi-compartment bib pocket with zipper closure Zipper fly Two large lower-front pockets Hammer loops on the left and right legs Chap-style double front construction Double knees with cleanout bottoms that can accommodate knee pads Ankle-to-hip leg zippers with storm flaps and snap closures Cordura back-leg kick panels Two reinforced back pockets Triple-stitched main seams Metal rivets at vital stress points