If you're ready to bear bare arms, any shirt you own can become a sleeveless shirt with the quickness—as long as you own a pair of scissors and have a relatively steady hand. Not confident enough in your own ability to cut a straight line? Don't fret: we went ahead and scouted out 19 pre-chopped bad boys to help you take the plunge. Wear ‘em with shorts and beat-up canvas kicks, maybe tuck ’em in with flowy trousers and sandals, and then let the good times roll.