The Flylow Mia Jacket is a midlayer that's right at home whether you're layering up for a fall dog walk or touring deep into the backcountry. This featherlight wonder marries a Pertex Quantum Air shell with Greenloft recycled insulation, delivering serious warmth without the bulk. With a DWR finish and versatile pocketing, it's ready to tackle whatever Mother Nature throws your way – from dawn patrol summit attempts to inbounds snowstorms.