Improve your workouts before you even break a sweat. Whether you're a runner or a lifter, someone who prefers a short sleeve or someone who swears by sweating in a long sleeve, we've rounded up 11 of ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether you're a runner or a lifter, someone who prefers a short sleeve or someone who swears by sweating ...