men's leather letterman baseball bomber varsity jacket Letterman Baseball Bomber Style Wool Blend & Genuine Cow Leather SleevesFeatures:• Premium Quality Wool Blend (80% wool and 20% Polyester)• Authentic Genuine Cowhide Leather used for Sleeves.• Best Quality knitted Cotton Rib for the collar, sleeves and waistband.• 100% Polyester Quilted Lining inside the Jacket• Two Outside Slice Pockets and 3 inside pockets including 1 mobile pockets