(6 of 7) Summer HottiesThese gorgeous guys are taking it all off just in time for the summer. With their washboard abs and beach-buff bodies, our seven shirtless studs will make you break a sweat. Matthew McConaughey There’s a reason McConaughey is perpetually shirtless. His six-pack-perfect body looks too good to be covered up during a run in L.A. on May 20.