Outdoor Roll Up Shades Why Do Some Girls/women Roll Their T-shirt Sleeves All The Way Up Until They're In College?

Why do some girls/women roll their T-shirt sleeves all the way up until they're in college? - outdoor roll up shades

I've seen this before. Some girls and women tend to put a shirt with short sleeves and plants on the shoulders of high school, however, short sleeves and the outside temperature. In addition, some of them in turn to wait for almost 20 years to reach at last. Why? Is it true that this also applies to short-sleeved tops are perfectly drawn to the body and the sleeves?