Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. Big Pony Cotton Sweater - This sporty full-zip sweater features striped cuffs and our signature Big Pony. Ribbed mockneck. Full-zip front. Long sleeves with striped ribbed cuffs. Applied twill "3" patch at the right arm. Split kangaroo pocket at the waist. Ribbed hem. Our signature Big Pony accents the left chest. 100% cotton. Machine washable. Imported.