“functional shirt but runs small”

“seems like a functional shirt - good sun protection and the material seems like it will dry quickly. The fit is snug - personally for me I like a snug fit - I'm petite 4'10" ~105lbs so I don't like baggy clothes. The length runs on the small side too...due to being tiny the length isn't an issue for me but could very well be so for "normal" sized people. At this point I am undecided if I'm going to keep the shirt - it was a good price but not sure if i'll wear it much...”