The Under Armour Women's ColdGear Armour Mock Neck Top is another popular choice in Amazon's Women's Tennis Base Layer Top category. This top is made from a dual-layer fabric that has a warm, brushed interior and a smooth, fast-drying exterior. It is designed to keep you warm and dry during cold weather tennis matches. The mock neck provides extra coverage and protection from the elements, while the four-way stretch construction allows for unrestricted movement on the court. The top also features anti-odor technology to prevent the growth of odor-causing microbes. Whether you're playing in chilly temperatures or just want an extra layer of warmth, the Under Armour Women's ColdGear Armour Mock Neck Top is a great option.