No problem- here is what I bought last year. They also have shorter ones that are more like boy shorts here. I definitely prefer the boy shorts since it's easier to fit under regular clothes.

If you start to feel dizzy between all the water/salt you are intaking while you are wearing these... take them off. It's possible to raise your BP too much with these things so please be careful. I only wear mine on days where I feel horrible, on more "mild" days I do not wear them.