12 gauge. Covered full length metal zip. 1x1 rib collar cuffs and hem. Semi-fashioned sleeves. Two front pockets with ribbed edges. Cut out label. 50% cotton/50% acrylic. Chest (to fit): XXS - 32/34, XS - 34/36, S - 36/38, M - 38/40, L - 42, XL - 44/46, XXL - 48, 3XL - 50/52. Ref: UTPC2959