Carhartt 104031 Men's Washed Duck Insulated Bib Overall DK040 They feature Nomex FR zipper CHK WW170P CIE X SMALL They feature Nomex FR zipper tape and protective flaps with arc resistant snap closures minimizing foot pounding shock over long work hours on hard Details: Description One of Carhartt's best selling bibs gets an update based on consumer feedback These men's overalls are made of heavyweight cotton duck and lined with lightweight 3M Thinsulate insulation for warmth Durable double front design accommodates knee pads 12 ounce 100% ringspun cotton duck 80g 3M Thinsulate featherless insulation through the legs for warmth without the weight Carhartt strong triple stitched main seams Adjustable elastic suspenders with webbing slider for comfort and personalized fit Side button closure with stretch panel for more precise fit Zipper fly Multi compartment bib pocket with zip closure for electronics Updated longer double front to cover entire knee Openings for adding knee pads and cleaning out debris Two front ledge pockets Reinforced back pockets Ankle to knee leg zips for easy on and off Cordura reinforced kick panels around cuffs add durability 100% cotton ring spun duck