May 1, 2010 - Reading time: ~1 minute

Here are some of my favorite male butts naked from Colt Studio visit.

These beefy muscle studs work hard on their body and it shows, right down to the bubble butt muscles they get after hours and hours of weight lifting.

Lets hope these studs keep on doing their squats and working out those hot muscular male asses.

Click here for more Colt muscle men naked.