The Under Armour Women's ColdGear Authentic Base Leggings are one of the most wished for women's tennis base layer bottoms on Amazon. These leggings are designed to keep you warm and comfortable during cold weather tennis matches. They are made with Under Armour's ColdGear fabric, which traps heat and wicks away sweat to keep you dry and cozy. The leggings have a compression fit that supports your muscles and reduces fatigue. They also feature a wide waistband for a secure and comfortable fit. Whether you're playing tennis or engaging in any other outdoor activity, these base layer leggings are a must-have for any woman's wardrobe.