Be seen and Be Safe on the Job Site with Walls Hi-Vis Workwear. Zip fly, Adjustable bib straps, 5-piece pocket bib with durable zip closure and flap closure pocket entry, 2 front swing pockets, 2 patch hip pockets, ruler & pliers pockets, and twisted hammer loop, Signature Liberty Green accents, Hi-Vis reflective tape on legs, across front, and down back. 11.5 oz. rigid denim in 100% cotton. Dawn shifters and all-night haulers will appreciate the Hi-Vis Liberty bibs with advanced reflectivity for safety in the dirt and dark. Tape runs across the front, on the bib, and down the back, so you'll be seen more clearly from all angles. Material: Cotton.