Formal, semi-formal, or casual - we have shirts for every occasion and need. Theory is a well-recognized luxury fashion brand, and it is owned by its parent organization, Link Theory Holdings Co., Ltd. Theory also offers a unique range of elegant workwear for men and women, including blazers, dresses, and more. If you are exploring for the color options for Men Shirts, then Navy Blue, White, Gray, Blue, Black and Pink are the most common color options for Shirts that can't go wrong. Such products are made of high-quality materials like Cotton, Lyocell, Blend, Linen and Flannel. Durable and comfortable materials make high quality Theory Shirts for Men with a fresh look. Don’t go just plain. Choose from Printed, Solid, Plaid, Floral and Gingham types of Theory Shirts for Men. Discover the incredible savings on Shirts ranging from Casual and Everyday. Check the product details to find eligibility for free shipping and free returns.