Made of 1.2-1.3mm Thick Made of Premium Naked Leather with Cool-Tec Technology (A Leather Treatment Designed to Keep Your Body 20-30 Degrees Fahrenheit Cooler Than the Outside Temperature) Reflective Skull Embroidery Detail Across Front, Arms and Back with Front Zipper Closure and a Mandarin Collar Ventilation System: 2 Chest, 2 Arm and 2 Back Vents with Zipper Closure for Maxim Airflow Conceal Your Piece with Dual Inside Left and Right Storage Pockets (Can Be Used as Regular Large Storage Pockets If You Don’t Carry) Other Features : Front Zipper Closure, Mandarin Collar, Full Zip Out Liner, Inside Built Mesh Liner, 2 Outside Zipper Pockets, 2 Chest Zipper Pockets, Action Back Shoulder Panel, Built-Inside Hanging Loop, Side Zipper for Optimal Fit and Genuine YKK Zippers - Known for Longevity and Durability (Milwaukee Leather - Once You Have It, You Love It)