Patagonia built the Nano Puff® Jacket for climbers who needed a weather-resistant, lightweight and packable synthetic insulation layer that could stay warm even when wet and withstand seasons of use. Ever since, those same features have made it the uncont
Combining heat-reflective TILT with new PrimaLoft® insulation that lofts like down and performs in the wet like synthetic, this is do-it-all mountain insulation.
