These cold-weather pants combine superior warmth and unrestricted stretch mobility, plus performance features like a water-repellent finish and UPF 50+ sun protection. Whether you're planning a snowshoeing trip, a winter hike, or just a cross-town excursion, these are the best pants to keep you comfortable when the mercury tumbles. The durable nylon/spandex shell provides active stretch, and the soft polyester stretch fleece lining turns aside those biting north winds.