Big Agnes Mystic SL 15 Sleeping Bag
Big Agnes Mystic SL 15 Sleeping Bag (Courtesy of Big Agnes)

Big Agnes Mystic SL 15

Big Agnes Mystic SL 15 Sleeping Bag

THE SELL: A packable three-season bag with a roomy cut. THE TEST: We were impressed that the Mystic’s semirectangular design didn’t come with a big weight penalty and that such a roomy bag compressed down to the size of a melon. Big Agnes hits the 15-degree rating by overstuffing the bag with high-end 800-fill down and then sealing in that heat with a plump draft tube and unique yoke-shaped draft collar. Like all Big Agnes bags, the Mystic has no insulation on its underside, where it gets compressed. Instead, a sleeve accommodates any 20-inch sleeping pad. THE VERDICT: Rectangular bags aren’t just for slumber parties anymore. 15º; 2.1 lbs; bigagnes.com
Compressibility
: 4.5
Warmth-to-weight ratio: 4.5

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