-10 oz. 100% flame-resistant pre-washed twill cotton -Bi-swing back technology -Elastic at the waist -2 chest pockets with snap closure -Left pocket with flap and pen slot -Two snaps at the collar -Brass 2-way front zipper with FR zipper tape -CAT 2 - NFPA 70E compliant - Certified NFPA 2112 -ATPV Rating 14.0 cal/cm2 -Style: FR2803NV-BIG Rasco Men's Navy FR Heavyweight Coveralls - Big