This FiveStar Leather Vintage Custom 1930s Steer hide Leather Jacket Black is made from authentic and premium quality leather with a thickness of 1.2-1.3mm, providing durability and style. The jacket features a high quality cotton twill lining, real horn buttons for cuff closure, and a front Y.K.K heavy duty zipper for fastening. It is offered in custom sizes and all sizes listed on the size chart.