If you're looking for a versatile base layer bottom, the Columbia Women's Glacial IV Print 1/2 Zip Fleece is a great option. Made with a blend of polyester and spandex, these leggings offer a comfortable and stretchy fit. The 1/2 zip design allows for easy ventilation, while the flatlock seams prevent chafing. The fleece fabric provides lightweight warmth and is quick-drying, making it perfect for outdoor activities. Whether you're hiking, skiing, or simply running errands, these leggings will keep you cozy and stylish.