Milwaukee- Mens Cowhide Leather Vented Motorcycle Scooter Jacket (Black, L) Made of split cowhide leather full sleeves zip out liner, side lacing for additional fit adjustment vents on the chest and back, padded shoulders for extra comfort zippered sleeve cuffs, antique brass hardware Sizing - S/40 - M/42 - L/44 - XL/46 - 2X/48 - 3X/50 - 4X/52 - 5X/54, In order to get the correct size and avoid size exchanges order the next size up for example if you measure a 48 chest order size 3X which is a 50 chest and so on