This one is the most common type in the market. They are available in many different colors, patterns, and sizes. The designs are also varied in terms of print, writing on it, graphics, etc. Generally, Men's shirts cotton in Shirt Theory are made out of cotton with 100% cotton being the best quality thread. For adult children (read it with a whynk), there are men t-shirts that are designed without any attraction or message to keep them away from casual classic.
It is just like a polo shirt for women but has collar variations with hem line. The buttons can be different too depending on the preference of the person who wants to wear it.