12-ounce, 100% cotton sandstone duck. Nylong 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 flap and hook and hoop closure. 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.