The Atom Jacket offers all the benefits of the Atom Hoody, but without the hood, making it a reliable choice for various high-output activities. Whether you're solo hiking in the woods, climbing at the crag, or camping in windy conditions, this jacket will keep you warm. With Coreloft synthetic insulation, you can trust that you'll stay warm even when encountering light weather, making it a practical option for high-output days all year long.