Freelee Cwu/45p Motorcycle Flying Bomber Flight Jacket for Men 100% Nylon 100%Nylon M is suitable for height 5'7'' -5'9'' weight 154LB-165LB L is suitable for height 5'7'' - 5'11'' weight 176LB-209LB XL is suitable for height 5'7'' - 6'1'' weight 220LB- 243LB XXL is suitable for the height of more then 5'11'' weight 243LB to 287LB.