Under armour coldgear armour mock topthe under armour coldgear mock top is a base layer shirt designed to offer maximum warmth whilst ensuring you dont overheat and you stay dry designed with a compression fit and features a lightweight 4 way stretch construction that improves mobility and maintains its shape no matter how hard you push or pull it along with anti odour technology the fabric uses signature moisture transport system helping control sweat by drawing it away from the skin keepi