The Under Armour Women's ColdGear Base Layer Bottoms are top-rated tennis base layer bottoms available on Amazon. These bottoms are designed to keep you warm and comfortable in cold weather conditions. They are made with Under Armour's ColdGear fabric, which traps heat and wicks away sweat to keep you dry and cozy. The compression fit provides muscle support and reduces fatigue, allowing you to perform at your best. These base layer bottoms also feature a wide waistband for a secure fit and a four-way stretch construction for unrestricted movement. Whether you're playing in chilly temperatures or need an extra layer during winter training sessions, the Under Armour Women's ColdGear Base Layer Bottoms are a reliable choice.