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Backpacker Magazine – September 2011

Gear Review: Eureka! Casper 15

This bag packs down to the size of a volleyball.

by: Tim Murrell

Eureka! Casper 15 (BP Photo Department)
Eureka! Casper 15 (BP Photo Department)

The downside of many bargain-priced synthetic bags: too bulky for the warmth, making them poor options for backpacking. But the Casper kept one Montana tester plenty warm at 20°F in the Mission Mountains, and with the included compression sack he wrangled it into a “volleyball-size package that fit in my weekend pack.”

Credit Eureka’s Rteq insulation, which is made of four different fibers of varying shapes, lengths, and deniers to maximize warmth, loft, and compressibility. The Casper has a cinchable hood and a fuzzy polyester lining that “felt like flannel pajamas,” reports one tester, “but became a bit clammy in temps above 50°F.” Slender testers liked the trim, thermally-efficient cut, but larger guys felt confined in the shoulder and hips.

The Specs:
3 lbs. 5 oz.
unisex reg. and long

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Reader Rating: -


Beartooth Mtn Hiker Montana
Dec 06, 2011

The Eureka has been my preferred bag. You can buy them on sale at Cabelas they run the sale about 3 times a year. Christmas, Spring and sometimes late summer early fall. I actually own two now just in case I take someone with me who does not have their own gear. I am 6'0 210 lbs and have a regular. It is a little small but I prefer that for warmth when you hit those cold temps but don't get me wrong I can still roll around in it and I am not that small of a guy. I have wide shoulders. I have never used it above 50 degrees because the Montana mountains I have been in at night are never 50 and if it was I sure be on the lakeshore bagging some trophy fish. Bag preforms well in wet conditions to keep you dry. I was caught in Snow Storm in October 2010 at Sylvan Lake (Gold Trout Lake, East Rosebud Montana Trail) and had 2 feet of wet snow. Bag preformed exceptionally well. My buddy had a North Face down bag and I was dry while his $200 bag became wet. This is a synthetic bag so it does tend to dry really fast. Anyways, Happy Trails!

Oct 13, 2011

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Sep 20, 2011

I'm a large guy (only 5'8 but I weigh around 240) and I sleep comfortably in my Eureka Casper 15. When I'm cold, I'm thankful for the cozy fit. Whoever said it gets clammy above 50 degrees is pretty spot-on though.

Sep 20, 2011

If you watch discount stores like Campmor, Sierra Trading Post, and even Cabelas you can get this bag for way cheaper than $99. Picked mine up for $53 (the women's version) - including shipping....

Just had it at Yellowstone - temps dropped into the twenties almost every night at our elevation, the bad worked perfectly didn't even need a liner...


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