CHAMPION MEN'S SWEATPANTS Model: RIB CUFF PANTS Catalog Number: 221812. BS501 Men's sweatpants by CHAMPION. They feature a drawstring waistband. Perfect for both training and everyday wear. Functional and perfectly crafted, they will meet customer expectations and requirements. Our pants are carefully crafted from high-quality materials with meticulous attention to detail. This product comes with a full set of manufacturer's labels. Material: 55% cotton, 45% polyester