Stay warm and comfortable during your winter runs with the Under Armour Women's ColdGear Authentic Mock Neck. This base layer top is designed to keep you cozy and dry, thanks to its ColdGear fabric technology that traps heat and wicks away sweat. The mock neck provides extra coverage and protection against the cold, while the fitted silhouette ensures a snug and supportive fit. Whether you're hitting the pavement or hitting the trails, this base layer top is a must-have for any female runner this Christmas season.