Gear up for cold weather adventures with the Columbia Women's Omni-Heat Base Layer Bottoms. These synthetic base layer bottoms are made with Columbia's Omni-Heat technology, which reflects and retains body heat to keep you warm. The fabric is also moisture-wicking, ensuring that you stay dry and comfortable during your activities. The bottoms have a stretchy and form-fitting design that allows for easy movement. Whether you're hitting the slopes or going for a winter hike, these base layer bottoms will keep you cozy and protected.