HEAT SEAL - technology for down jackets, makes use of welding the two sides of the jacket, to create 'sleeves' for feathers, instead of sewing, which is done in other jackets, minimizes the escape of feathers and down through the seam holes
Omni-Heat Reflective - a lining with technology that returns body heat, manages to raise the temperature around the body by about 20% on average, without adding any weight or volume, without compromising on the removal of moisture and excess heat with the speed and efficiency of a quality thermal fabric. thus helping to regulate body heat and adding comfort in cold conditions, at any level of activity
Outer fabric is windproof and water repellent