ASTM FF3340-18 R-Values Tell Us Little About A Sleeping Mat's Real-World Performance Contents ASTM's FF3340-18 R-Value Standard The ASTM Working Group The Dynamic Sleeper r/ultralight: R-Value is [...] Read more
Navigation Tip: To aid speedy navigation, filter results are coded: cog icon = equipment; tag icon = clothing, colour position = upper or lower body, and colour = clothing or equipment type. For example, for trekking trousers, click on "Active Outer Layers" and the relevant icon will have a tag and the bottom half will be blue. To see the latest additions / reviews just click on the search icon.