Berne Apparel's FRB05 fire resistant quilt lined deluxe insulated bib overalls have an optimal level of comfort and protection. The fabric is a 10 oz 88% cotton/12% nylon duck material with modacrylic insulation. They are made with a two-way FR brass zipper on the front and a concealed snap closure. The heavy duty flame resistant brass leg zippers are covered by storm flaps and have concealed snaps. For strength, these bibs have triple-needle stitched main seams with four-needle stitching on the waistband and elastic inserts. The reinforced knees also add extra strength. They have adjustable shoulder straps and a high back for warmth. Storage includes two chest pockets with a pencil opening in the left pocket in addition to two front swing pockets with concealed snap closures and two reinforced hip pockets. Meets the requirements of ASTM F1506, NFPA 70E, NFPA 2112.