Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Peplum Cotton Cardigan - This adorable cardigan is cable-knit from soft cotton and features a fun peplum hem. Ribbed rounded neckline. Four-button placket. Long sleeves with ribbed turn-back cuffs. Seed-stitched peplum hem. Our signature embroidered pony accents the left chest. 100% cotton. Machine washable. Imported.