Your mom, your uncle, and half the mountain guides in the world all rock the Patagonia Nano Puff® Jacket, and just because you're a kid doesn't mean you can't too. Super warm for it's weight, ultra-compressible, and capable of becoming part of an all-weather protection system when worn in combination with a hard shell outer layer, the Nano Puff® is an indispensable piece of gear for active mountain people, including small ones.