Dont let winter interrupt your training schedule when you can add the Under Armour Womens Base 2.0 Long-Sleeve Quarter-Zip Shirt to your arsenal. This Under Armour base layer defends you against the cold by wicking moisture away from your skin while circulating your body heat to keep you from clamming up. The quarter-zips chin protection lays soft against your face when you need to zip it up all the way.