Reach Your Fitness Goal in 2013: Workout Gear To Get You There

So you wanted to run more—but the cold temps are keeping you inside? This Under Armour ColdGear Thermo Hi-Crew might weigh close to nothing, but the warmth it provides is unbeatable. The pattern design of the shirt allows it to trap heat, while the fabric simultaneously wicks sweat. Yes, this top makes being cold a thing of the past. ($60; underarmour.com)