Shell: 100% cottonLining: 100% polyTrim: Genuine lambskin leather. Dry clean by leather specialist. Front zipper closure. Zippered pockets. Contrast leather trimmed accent. MACK-WO369. ESTELLE. Mackage elevates the military trend with these amazingly structured and detailed jackets. Accented with epaulets, buttons, and even officer stripes, these pieces move right on up to fashion's front lines.