Answer4 Power Grid Full-Zip Hoodie, Gray, Size M Answer4 Power Grid Full-Zip Hoodie Almost no signs of wear, in excellent condition. Appears slightly white in some areas due to lighting, but there is no discoloration. ◆Product Details (from the website) "Power Grid™ M Full-Zip Hoodie" using Polartec® Power Grid™. It has a full zip and double zip so you can instantly respond to body temperature, temperature, and weather. If it's not cold enough to wear a shell, you can adjust your body temperature by opening the top or bottom, and you can wear it over your backpack in places with large temperature differences, etc., so you can use it according to the situation. A full-zip and double-zip base layer that didn't seem to exist before.