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Gear Guide 2009: Big Agnes Mystic SL 15 Sleeping Bag Review

A three-season bag that is roomy and light, but not for side sleepers.
Big Agnes, sleeping bag, summer bags, Gear Guide 2009, gearBig Agnes Peggy SL 15 (www.sethhughes.com)

Light and Large
Like most Big Agnes bags, the Mystic dispenses with bottom-side insulation; your 20-by-72-inch pad, slipped into the integrated sleeve, does the job. The design saves weight, allowing Big Agnes to give the Mystic a huge 70-inch girth and semi-rectangular shape while still keeping it in the featherweight category for a true 15°F bag. (Peggy SL, pictured, is the women’s version: $290, 2 lbs. 3 oz.)

Despite the roomy interior, testers stayed warm in sub-freezing temps thanks to high-loft 800-fill down, a mummy-style hood, and a free-hanging draft yoke that stopped even the hint of cold air from entering. The system saves about a pound from traditional bag/pad combos, but it doesn’t work great for side sleepers (the hood doesn’t roll with you), and you can’t sit up inside the bag (so it’s not for camp loungers). $390; 2 lbs. 7 oz.; 15°F

Bigagnes.com

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