how to poke an eye out

i have a problem. when i go to the gym, no matter what kind of top i'm wearing or what sports bra, i'm beaming. like serious, beamage. it's sort of embarrassing, i mean i know people are looking at it like: whoa what the f. it's more surprising than anything else. after my sports bra plasters my chest down completely flat, there's nothing there expect for the high beams.... why is this happening and how can i stop it? i'm sure it just has something to do with the AC blasting down on me after i've completely soaked through a shirt with sweat. yum.