Active mobility is front and center with the stretch construction in the shell, lining, and insulation of this nylon/spandex reversible hoodie that's built for high exertion in cool to cold conditions. Plus, its breathability helps to regulate your temperature while active to prevent overheating.NOTE: Temperature ratings are based on a controlled laboratory test by an independent university lab. Also consider: your sensitivity to cold and wind-chill; time of exposure; activity level; and use of layering.Models shown are 5'9" to 5'11" tall, wearing size S/4, L/12, or XXL/18.