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Technical Briefings
Choosing the right gear requires more than a little knowledge about the raw materials and techniques used in their manufacture. In this section you can find out some of the trade secrets.
Down
What is Down? Down Quality Testing Down Quality: Fillpower Testing Down Quality: Down % PHD's Down Down Gear in use Cleaning Down Sleeping Bags & Clothing Down vs. Synthetic InsulationSleeping bags
Sleeping Bag Construction Getting the best from your Sleeping Bag Design Your Own Sleeping Bag The Truth about Sleeping Bags Vapour Barrier Liners Waterproofing Sleeping Bags Sleeping bag zipsPHD's Materials
Fabrics Zips Synthetic Insulation and Fleece Down Caring for waterproof fabrics
Temperature
Temperature Ratings WindchillOne Piece Suits
Toilet access Down Suits vs. Down Jacket and Salopettes
Ultralight Gear
Ultralight Gear
