The Under Armour Women's ColdGear Armour Mock Neck Tennis Base Layer Top is a must-have for cold weather tennis sessions. Made with ColdGear fabric, this top traps heat and keeps you warm without weighing you down. The mock neck design provides extra coverage and protection against the elements. The four-way stretch construction allows for unrestricted movement, while the moisture-wicking technology keeps you dry and comfortable. Whether you're playing in chilly temperatures or need an extra layer for indoor matches, this base layer top is a reliable choice.