Explore our shirts collection from the best brands in the market, i.e., Levi's, Gap, Lacoste, Marvel, Diesel, Calvin Klein, and others. Neil Allyn is a well-known brand for formal-wear clothes for men and women. The brand offers a wide range of formal tuxedo shirts, bowties, pants, jackets, vests, etc. Many products are available in only one color and that is black.