Jacket Size US Size UK Size Chest Waist Sleeves XS 34 34 86.5 - 89 76 - 78.5 63.5 S 36 36 91.5 - 94 81.5 - 84 65 M 38 38 96.5 - 99 86.5 - 89 65 L 40 40 101.5 - 104 91.5 - 94 66 XL 42 42 106.5 - 109 96.5 - 99 67.5 2XL 44 44 112 - 114.5 101.5 - 104 68.5 3XL 46 46 117 - 119.5 106.5 - 109 68.5 4XL 48 48 122 - 127 112 - 117 70 Outer Shell: Leather (Sleeves) & Synthetic Wool (Torso) Leather Type: Sheepskin Leather Finish: Semi-aniline Inner Shell: Quilted Polyester Lining Closure Style: Snap Buttons Collar Style: Varsity Cuffs Style: Rib Knit Striped Rib Knits Outside Pockets: Two Inside Pocket: One Color: Black & Yellow