Shop Baby's at RalphLauren.com, the Official Site of Ralph Lauren. Big Pony Fleece Coverall - This soft cotton-blend fleece coverall features a lined hood, a snapped placket and our signature embroidered Big Pony. Hood with a contrasting cotton jersey lining. Snapped placket. Long sleeves with ribbed cuffs. Applied "3" patch accents the right sleeve. Split kangaroo pocket. Ring snaps at the hem ensure easy on and off. Ribbed cuffs. Our signature embroidered Big Pony accents the left chest. Shell: 60% cotton; 40% polyester.