Underwear (top) US LVL 2 is the first layer of clothing for very cold days. Due to the use of a mix of polyester and elastane, it will not only provide insulation, even when wet but also enable its user to move comfortably in difficult conditions. A zipped turtleneck will allow you to regulate the temperature during approaches, and the thumb loops will prevent the sleeves from sliding up while putting on and taking off the gloves. The close-to-skin cut will facilitate the removal of moisture from the skin, improving thermal comfort on exceptionally cold days.