93% polyester 7% elastane. Made in Bulgaria. Machine wash. Pull-on styling with elastic waistband. Velvet burnout fabric with footies. Item not sold as a set. DIES-WP136. A115010NIANP-KOLVET TROUSERS. Italian based line, Diesel, was started in 1978 by Renzo Rosso. Known for their modern denim washes and fits, along with their urban styles outerwear, Diesel has found a place in so many closets around the world.