The Under Armour Women's ColdGear Mock Neck is a popular choice for women looking for a casual base layer top with added warmth. This top is designed with ColdGear technology, which helps retain body heat and keep you warm in colder temperatures. It has a mock neck design and long sleeves, providing extra coverage and protection. The Under Armour Women's ColdGear Mock Neck is made from a blend of polyester and elastane, ensuring a comfortable and stretchy fit. Whether you're going for a run or simply running errands, this top will keep you cozy and stylish.