Every architect will tell you so, insulation with an air gap is the best you’ll ever find. So what about using it in our outdoor gear? An infaltable jacket that you can blow with air, depending on how warm you want to be, and on top of that, you can use it as a life vest. You’ll find this wonder at Field & Fish.  [youtube=https://youtu.be/KwVLMNI07qk]