Ralph Lauren Leather Jacket Staying true to traditional styling details—like rib-knit trim and a baseball collar—the season’s take on the classic bomber jacket is elevated by a sumptuous nappa leather fabrication. Relaxed fit. Intended to hit at the hip.. Ribbed baseball collar. Full-zip front. Long sleeves with ribbed cuffs. Two front waist welt pockets. Ribbed hem. Fully lined. Shell: leather. Ribbed cuffs, collar, and hem: viscose, nylon, elastane. Lining: polyester, elastane. Dry clean by a leather specialist. Imported.