Note: Please Select Your Size According to the Given Chart in the Images and Must Send Us a Message with Your Exact Size or Add Your Selected Size In the Note after Placing Your Order. Doable seam (Stitches) which will never be worn or open the jacket. 100% Original High Quality 1.2-1.3 mm Cowhide Leather. Everything in the jacket is 100% A+++++ This jacket is 100% for professional Bikers. We take care of every single little detail of the jacket for professional bikers to have a nice and smooth race. Original YKK Zippers used in the Jacket. Standard Size Chart & Tips. To know the best size we basically need your Chest, Waist & Full-Length measurements. Some people who are really healthy or overweight, they have to go for custom fitting.