StormRepel DWR finish sheds moisture 650 fill Responsible Down Standard (RDS) down, certified by Control Union 851564 More About RDS Adjustable hood Secure zip hand pockets Two-way front zip for comfort while moving or sitting Our best-selling CirrusLite now comes in a duffle length for maximum warmth. Premium Down insulation protects you - from the top of your head to below your knees - against sub-zero winter weather.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."