Muscular guys need different shirts than other kinds of people. They need to be fitted in order to show their muscles, and they also need to be made of materials that are not going to make them sweat more than they already do. Polo shirts can be great for muscular guys as they are generally made out of cotton, and they are less expensive than dress shirts, but they still look professional. Polo shirts come in many different colors, patterns, and designs, so there are plenty to choose from for those who want something more unique than just a plain white or black polo shirt. Another great shirt kind is mens slim fit t shirt. These types of shirts are made out of a material that is stretchy and soft. The material will be able to move with the body, and it will not be too tight on the muscles.