12-ounce, 100% cotton sandstone duck. Nylon lining quilted to arctic-weight polyester insulation. Corduroy trimmed collar with under-collar snaps for optional hood. Two-way brass center front zipper plus storm flap with hook and loop closure. Two chest pockets with with flap and hook and loop closures. Two inside pockets. Two large lower-front pockets. Pleated elbows. Inner sleeve, rib-knit storm cuffs. Split back construction. Pleated bi-swing back enhances movement. Triple-stitched main seams. Back length Large Regular=30.5, Large Tall=32.5 inches.