Down Sleeping Bags

Down Sleeping Bags

Pemi 20 + Mountain Light "Flow" Series

As is true with all down sleeping bags, getting the down distribution correct is crucial to the safety and warmth of the user. Gathering data from a variety of scientific testing models such as manikin and loft evaluation is as important as getting perceived warmth information from a variety of test subjects. This data allows for insightful revisions regarding the design and development of the sleeping bag.

To read more about EN testing and bag “warmth”I recommend looking at Mammut’s fantastic Sleep Wellpdf downloads.

For examples of the initial stages of design and concept for sleeping bags, please see the two synthetic bag links below:

Velocity 35

Boreal 20

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