Looking for a lightweight base layer option? Our women's lightweight flannel base layer bottoms are the perfect choice. Made from a breathable and moisture-wicking fabric, these bottoms provide warmth without adding bulk. The slim fit design allows for easy layering under your favorite pants, while the elastic waistband ensures a comfortable fit. Whether you're going for a morning jog or spending a day on the slopes, these lightweight base layer bottoms will keep you comfortable and stylish.