The Under Armour Women's HeatGear Armour Base Layer Bottoms are another top-rated option for women's tennis base layer bottoms on Amazon. These bottoms are crafted with Under Armour's HeatGear fabric, which is ultra-soft and smooth against the skin. The material wicks away sweat and dries quickly, ensuring you stay comfortable and dry during intense matches. The compression fit provides excellent muscle support and reduces fatigue. These base layer bottoms also feature a wide waistband for a secure fit and a four-way stretch construction for unrestricted movement. With their superior performance and stylish design, the Under Armour Women's HeatGear Armour Base Layer Bottoms are a popular choice among tennis players.