Strap on the Carhartt Flame-Resistant Canvas Bib Overall when you need FR protection, comfort and utility in an unlined garment while on the job. Built of FR 8.5-ounce, 88% cotton/12-ounce high-tenacity nylon canvas, it features a high back with adjustable FR elastic suspenders and FR center-release buckles. The chap-style double front enhances durability. Ankle-to-thigh leg zippers are constructed with Nomex® FR zipper tape and are covered by protective flaps with arc-resistant snap closures. The brass zipper fly also features Nomex® FR zipper tape, and the buttons at the waist are FR melamine. Multiple tool and utility pockets carry your tools and other items throughout the workday. *Meets NFPA 70E standards *HRC 2 ATPV 12.1