Diesel Waves Shirt in Blue. Size XL, XXS. 100% cotton. Made in Tunisia. Machine wash. Front button closure with button cuffs. Breast button pockets. Rigid denim fabric. 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.