Men’s tank top Men’s muscle shirt made from cotton Machine wash Imported Jocko style number J111 Keep it casual. Made from a soft cotton French terry, the Jocko Stuart men’s muscle tee is easy-to-wear and very comfortable. Great for working out at the gym or just hanging out with friends, this sleeveless men’s tank top from Jocko shows off your summer body. The breathable fabric will keep you cool as things heat up.