Gnuhr - Heatwave Puffer Jacket V1.5 - Major BrownUltralight and Ultracozy is how the team at Gnuhr describe the heatwave puffer and we couldn't agree more. It's a super lightweight insulated jacket that packs down small and is versatile enough to be an everyday jacket for most of the year. Simple and streamlined to avoid issues the insulation is a next gen synthetic sheet from Toray, engineered with mechanical crimping to hold its loft and shape reducing the need for baffles and eliminating cold