Men's BLACK Premium Buffalo Leather MOTORCYCLE Duster w zip-out liner, Leg straps, removable cape. Measure around your chest under your arms at the widest part of your chest with arms by your side. Add 2 inches to the chest measurement and buy that size.If the chest measures 46 inches than buy 48. Duster style Jacket with removable cape. Full zip-out liner, Leg straps and 2 front button pockets. Straps are in lining and snap together. Sides of coat wrap around the legs to form pants when riding It has a split in the back to accommodate the bike, and leg straps to hold the ends down.