The rise of functional, hiking-inspired trends like Gorpcore and new sustainability-driven developments in down technology has further expanded the realm of puffer, meaning that there are a ton of solid and stylish options, from heritage labels (Filson and its ilk) to newer contenders Ibex and Mountain Hardwear. Clearly, when it comes to the best men’s puffer jackets, the real challenge isn’t a matter of if, but which.