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Backpacker Magazine – Gear Guide 2012

Rip & Equip: Sleeping Bags

Mummy or semi-rectangular? Sleeves vs. clips? Choose the right sleeping bag and keep it in top shape with these tips.

by: Kristin Hostetter

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How to Read EN Ratings

Simple is not always better. Case in point: the standardized sleeping bag temperature rating system—called EN, for European Norm 13537. At first glance, it’s more complicated than the previous temp ratings, which provided a single number, say 20°F. But our testers like EN; they think the widespread use of the system has led to more accurate ratings overall.

The key improvement: EN ratings provide a range to address the disparity in sleeping comfort between genders (women typically sleep colder) and from individual to individual based on myriad factors like body fat, tent, sleeping pad, clothing, hydration, and metabolism. EN tags list three specific temps: Comfort (the lowest comfortable sleeping temp for an adult woman), Lower Limit (the lowest comfortable temp for an adult man), and Extreme (not comfortable for anyone to sleep, but warm enough to prevent fatal hypothermia in a woman for six hours). Note: EN test dummies use a standard pad and wear baselayers and a hat.

Synthetic Fill Types

Short-staple filaments mimic down’s softness and compressibility, but sometimes clump.
Continuous-filament fills are lofty, durable, and affordable, but don’t pack as small as short-staple fibers.
Multi-denier insulation mixes fibers with different diameters to improve warmth, but they’re pricier, too.

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Jessica Smith
May 04, 2012

Coleman sleeping bags for backpacking are compact, durable and lightweight, specifically designed for adventurous trekkers heading out into the backcountry

Jessica Smith
May 04, 2012

Coleman sleeping bags for backpacking are compact, durable and lightweight, specifically designed for adventurous trekkers heading out into the backcountry.


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