Battle the bitter winter cold in style with the bettermade Astro Insulated Winter Parka. Not made just for a chilly day, this stylish jacket is designed for the coldest and harshest temperatures. It has even undergone a liquid nitrogen test. Incredibly, even in the coldest of cold climates, the Astro Winter Parka maintains your body temperature. In fact, this jacket can handle the elements in as low as -320°F. In addition to cold air, it also has an IPX4 waterproof rating. This is all thanks to the Aerogel insulation technology, the same technology used in NASA spacesuits. With this, you can use it as a single layer so you can say goodbye to stripping down after coming in from the cold. Even with all this insulation, the Astro Winter Parka isn’t bulky. You can still move as and how you need, making it the perfect jacket for every outdoor winter activity.