Ken swim shorts by Diesel. Classic swim shorts feature Diesel branding at the leg, complete with a drawstring waist and pockets at the front and back. Founded by Renzo Rosso in 1978, Diesel is built on three pillars: passion, individuality, and self expression. Today, Diesel is a global leader in denim washes, treatments, fabrics and fit. But they're more than just a luxury denim brand: they bring innovation and artistry into every piece, using their mantra "for successful living" to fuel every design.