Best mens swimsuit clothing?

since i dnt like taking off my top when i go swimming (due to a skin condition) whats the best clothing (tops) to wear in the water?

Wear a rashguard. They sell them at most sporting goods stores.

http://www.dickssportinggoods.com/sm-body-glove-mens-deluxe-short-sleeve-lycra-rashguard--pi-2167136.html

http://www.vilebrequin.com/ for cool trunks

http://www.oneill.com/ oneill wetsuit (tops) are great for water.. you know, like surfers?

I usually wear a long sleeved ralph lauren polo rugby shirt