ASTM F3340-18 R-Values Tell Us Little About A Sleeping Mat's Real-World Performance UPDATED (21/07/26): see the changelog for details of additions and edits. Contents ASTM's F3340-18 R-Value Standard [...] 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.