Real Leather Ages beautifully with time. It takes on the character of the wearer. Natural leather is breathable so you won't feel sticky and suffocated as you do with PVC synthetic imitation. Why not treat yourself or someone special with this luxurious leather product. Genuine Lambskin Leather Motorcycle/Biker Jacket for Men. When selecting a size, please leave at least 5-6 inches from body measurement to get a slim fit. For example, if the chest circumference is 42-43 inches, please select a jacket whith a chest of 48 inches to get a Regular fit size Large.