Description Lapco FR flame resistant, ARC Rated, denim bib overall is great for all-season wear. Made of 13oz., 100% FR cotton denim, it sports a high, diamondback with adjustable elastic suspenders, double-stitched seams for durability, and multiple utility pockets. Double needle stitching on side seam and inseam, for extra durability. High, diamondback construction for fit and ease of movement. Shoulder straps feature heavy-duty elastic for comfort. Knees are reinforced for durability. Reinforced patch pockets on front bib, front slash pockets,