GI M-65 Field Jacket Liner - Black - 2XL Nylon quilted outer shell for comfort 5 oz. of 100% polyester fiberfill for maximum warmth (not shown) Two 1 1/4" x 2 1/2" fabric extensions (per sleeve) to secure liner into each sleeve Neck button holes Genuine military type label so that you know it meets rigid military specifications Dumbbell-shape quilt pattern maximizes comfort & provides maximum insulation in every segment Button holes for ease in attachment to M-65 jacket