GildanMen's Undershirt (Pack of 5)

5'7" 150 Pounds Size Small?

How is the length on these? I usually get medium tanks but they're too short, so i went with large. 6ft btw.

I'm a female at 5"2 149 lbs. I want to wear these to work out in would a small fit me okay without showing my stuff?

Can i get them in a Large Tall??