Made with Japan’s Taion, the Inner Down Jacket might just be the perfect layering piece. Insulated with 800 fill down, it’s warm whilst still lightweight—with a low profile that means it works just as well as a jacket in its own right as it does under something bigger when the temperature really drops. It’s packable too—and can be stowed away in its own storage bag and thrown in a backpack when the sun comes out. Sort of like a modern day version of those vintage military down liners, this is a functional, wearable jacket that works right through the year.