The Nike Women's Pro Tights are another highly rated option for women's spandex base layer bottoms. These tights are made with Nike's Dri-FIT fabric, which wicks away sweat to keep you dry and comfortable during workouts. The compression fit provides support and helps to reduce muscle fatigue. The flat seams minimize irritation and chafing, allowing for a smooth and comfortable fit. These tights are available in a range of colors and patterns, allowing you to express your personal style while staying active.