Reviews You Can Rely On

Comparing Bivy Sacks

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Awards Editors' Choice Award Top Pick Award Best Buy Award Top Pick Award  
Price $167.00 at Amazon
Compare at 3 sellers
Check Price at Backcountry
Compare at 3 sellers
$170 List
$109.95 at Amazon
$168.97 at Backcountry
Compare at 2 sellers
$250 List
Overall Score Sort Icon
77
75
73
68
64
Star Rating
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Pros Lightweight, weatherproof, roomy, ease of use, bug screenExcellent weather resistance, side zip for easy entry, roomy hoodLightweight, versatile, stows easily, price is rightExtremely lightweight, packableComfortable, breathable and supple fabric, good weather-resistance
Cons Stuff sack too largeA bit tight above the feet, probably not big enough if you're over six feet tallLeaky zippersExpensive, no zipperHeavy, zipper catches, hood wire is finicky
Bottom Line This very well may be the new standard in what we expect from a top-notch bivy sackAmazing weather resistance and overall comfort for a relatively lightweight and packable bivy sackThis model boasts an enticing weight, comfort, and versatility ratioAn effective and lightweight bivy that far outperforms other emergency or minimalist sheltersBreathable and resistant to weather, but heavier than its competitors with similar features
Rating Categories Outdoor Research He... Outdoor Research Al... Sierra Designs Back... MSR Pro Bivy Black Diamond Spotl...
Weather Resistance (25%)
8.0
9.0
7.0
6.0
7.0
Weight (25%)
6.0
6.0
7.0
8.0
5.0
Comfort (20%)
9.0
8.0
7.0
5.0
7.0
Ventilation (15%)
9.0
7.0
8.0
6.0
7.0
Packed Size (15%)
7.0
7.0
8.0
9.0
6.0
Specs Outdoor Research He... Outdoor Research Al... Sierra Designs Back... MSR Pro Bivy Black Diamond Spotl...
Measured Weight 17.1 oz 19.9 oz 13.6 oz 8.9 oz 26.0 oz
Packed Size 4" x 12.5" 3.5" x 12.25" 3" x 9.5" 8" x 3.5" 4" x 7.5"
Waterproof Yes Yes Yes Yes Yes, NanoShield
Open Length 82" 83" 80" 88" 92"
Shoulder Width 26" 28" 36" 36" 30"
Material (Top/Bottom) Top: Pertex Shield+ 2.5L 100% 30D Nylon Ripstop
Bottom: 100% 40D Nylon w/ TPU lamination
AscentShell x Pertex Shield Air Diamond Fuse 3L 100% Nylon Upper.
100% Nylon 40D with TPU lamination floor
Top: 20D Nylon Ripstop
Bottom: 30D Nylon Ripstop
20D Nylon Ripstop 2-ply, breathable 1000mm NanoShield, Silicone Nanocell coating
Bug Mesh Yes Yes Yes No Yes
Sleeping Bag or Pad Attachments Yes No No No No
Poles Yes, one overhead shockcorded Delrin pole Yes No No Yes, DAC Featherlite pole