The Under Armour Women's ColdGear Mock Neck Top is a highly rated base layer top designed to keep you warm and comfortable in cold weather. It is made from a blend of polyester and elastane, providing a snug and stretchy fit. The ColdGear technology traps heat and wicks away sweat, keeping you dry and cozy. The mock neck design offers extra coverage and protection against the elements. Whether you're engaging in outdoor activities or simply running errands, this Under Armour top is a reliable choice.