Built for comfort in the coldest weather. Ultralight, ultrawarm Premium Down insulation extends from head to below the knee. Fleece lining in the upper body, and at the collar and interior storm cuffs provides additional protection. Polyester shell has a durable, water-repellent finish that causes moisture bead and roll off rather than soak into the fabric.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.