Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Polo Bear Sleep Pant - This comfortable sleep pant is crafted from ultra-soft cotton and features an allover pattern of our Polo Bear. Covered elasticized waistband with a contrasting drawstring and our signature "Polo Ralph Lauren" label at the front center. Single-button fly. Side on-seam pockets. 30" inseam. 100% cotton. Machine washable. Imported.