Walls Men's Polar 10 Freezer Bib Nylon Protective Coverall Outter: 420 Denier Nylon. Inner: Nylon Lining. Interior: Polyfill Insulation. Bib Coverall with Rivets at stress points, Elastic Suspenders, and Large Hand Warmer Pockets. Concealed Snaps and Zippers. Front Zipper with Snap-Over Storm Fly. Water Resistant Coating. Triple Needle for strength and durability. Walls brand that you know and trust! Perfect for any working man!