The Anti-Freeze Down Jacket has been designed for women who love to move fast and light in the mountains. We know low weight is essential to help you go further, faster. With a weight of only 285g, this down jacket will help you hit the trail with confidence. From fell running to fast packing, stay warm wherever you are with the Anti-Freeze Down Jacket. A handy stuff sack also means you can easily pack this away when things begin to warm up.