Chaser Tiny Hearts Sweatpants in Blue. - size XS (also in S) Chaser Tiny Hearts Sweatpants in Blue. - size XS (also in S) 49% poly 46% rayon 5% spandex. Brushed knit fabric. Elasticized drawstring waist. Elastic cuffs. Screen print graphic. Imported. CSER-WP47. CW7472 CHA3953. Born out of the angst of the LA punk rock scene, Chaser was molded by the evolution of the music scene. Utilizing soft blends, Chaser tees are luxuriously soft and their designs continue to evolve with the ever changing music scene.