Browse our variety of shirts available in different colors, patterns, and sizes. Denmark-based brand Jack & Jones has changed the men’s clothing and accessories industry with its appealing, out-of-the-world designs. The brand was founded in 1990, and today, it has captured the huge market of men’s clothing globally. Recently olive colors have gained more popularity in fashion. Some popular patterns in Jack & Jones Olive Shirts for men are Tropical, Check and Solid.