Launched in 2009 as a lightweight synthetic insulated layer designed for alpine environments, the Nano Puff has transcended its original intent to become a universally loved layering piece. Explorers ...

Hold on to your bridle leather belts and brass buckles, Filson is about to dip its 127-year-old toe in the world of ultralight midlayers. Both use 60g PrimaLoft Gold insulation, carry a ripstop shell, ...

Just when we thought down jackets couldn't get any lighter, along comes the Montane Alpine 850 Nano Hoodie to prove us wrong. Landing just in time for cold weather, this 850 fill power jacket is as ...