These flame-resistant duck bib overalls are unlined for comfort in warm weather. Made of 13-ounce, flame-resistant 100% cotton duck, it features high back with flame-resistant elastic suspenders and high temperature nylon center-release buckles Features also include chap-style double front for durability, multiple tool and utility pockets, hammer loop, ankle-to-mid-thigh brass leg zippers with Nomex zipper tape, flame-resistant melamine button at waist and protective flaps and arc-resistant snap closures.