Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. Big Pony Fleece Pull-On Pant - This cozy pant is crafted from warm cotton-blend fleece and features our signature embroidered Big Pony. Elasticized drawstring waist. Angled pockets at the hips. Elasticized cuffs. Our signature embroidered Big Pony accents the left leg. 87% cotton. 13% polyester. Machine washable. Imported. Size 12 has an average inseam of 18".