Shell: 61% wool 39% acrylicContrast: 100% poly. Dry clean only. Detachable logo emblem accented chest pin. Shoulder and side zipper closures with contrast trim. GSTA-WK42. D00739 K009 5614. Since its founding in 1989, G-Star has become synonymous with experimental denim and cutting-edge style. Known for delivering collections filled with innovative silhouettes, raw cuts, and attention to detail, G-Star is a major influence in the world of denim.