Jon Duran tests a new jacket from Patagonia that combines the warmth-to-weight ratio of high-loft down, but the water-resistance of heavier synthetic filled jackets…
Berghaus Aonach AX Insulated Jacket review
Berghaus’s weird tech results in a down-filled jacket that’s designed for use as a mid-layer in really cold conditions. The big surprise is that it works improbably well, though it could be lighter.