Under Armour Base 4.0 Crew Shirt

You just checked the forecast on your phone and things don't look good. In fact, they look pretty terrible: teeth-chattering, bone-chilling cold. But you have nothing to worry about, because you've got the Under Armour Base 4.0 Crew Top. Built from polyester and elastane, and 4-way Stretch that allows for superb mobility, this top is the kind of layer you want when things are brutal outside. It features a soft, brushed negative grid interior that keeps hot air close to you, giving you unmatched warmth. Sweat is wicked away from your body, and anti-odor technology keeps bad smells at bay. The weather outside can be frightful, but the Under Armour Base 4.0 Crew Top is delightful.