Real Leather Ages beautifully with time. It takes the wearer’s personality. Natural leather is breathable so you wont feel sticky and suffocated ,Why not treat yourselves or someone special with this luxurious leather or suede product. Genuine Lambskin Leather Motorcycle/Biker Jacket for Men. To ensure a trim fit, please allow at least 3–4 inches between your body measurement and your size selection. For instance, to get a thin fit, please choose a jacket with a chest measurement of 42 inches if the chest circumference is 38 inches. e.g ( 38 + 4 ) = 42 inches.