Layering up shouldn't mean you have to feel weighed down. Get all the protection you need from bitter cold temps, without all the weight, from the Under Armour Base 3.0 Crew Top. It has a soft, brushed negative grid interior, that keeps warm air close to your body, so you stay toasty no matter how much the temperature drops. Don't worry about sweat or odor, because this top wicks sweat away from you, and features Anti Odor tech, that keeps odor causing microbes at bay. All this, while still allowing for maximum mobility, thanks to 4 Way Stretch fabrication. The Under Armour Base 3.0 Crew Top has it all because you deserve to have it all.