This Product
MSR Pro Bivy
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Awards Top Pick Award Editors' Choice Award  Best Buy Award  
Price $199.95 at Backcountry
Compare at 2 sellers
$178.95 at Backcountry
Compare at 3 sellers
$249.95 at Backcountry
Compare at 3 sellers
$140 List
Check Price at Amazon
$274.90 at Amazon
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Overall Score Sort Icon
68
77
74
73
60
Star Rating
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Pros Extremely lightweight, packableLightweight, weatherproof, roomy, ease of use, bug screen, and on and onDurable, lots of head room, completely weatherproofLightweight, versatile, stows easily, price is rightSimple, lightweight, weather-resistance
Cons Expensive, no zipperStuff sack too largeOverkill for milder climates, heavierLeaky zippersExpensive, fiddly velcro closure
Bottom Line A lightweight and simple model that helps protect against unforeseen wind, weather, and coldWe searched high and low looking for some drawback with the OR Helium Bivy and found noneThe Alpine is ultra capable in cold and wet environments. A true four-season bivyA functional, lightweight bivy with several features to keep you comfortable and a few bucks in your walletThe Alpine offers superior storm protection without any frills
Rating Categories MSR Pro Bivy Outdoor Research Helium Bivy Outdoor Research Alpine Bivy Backcountry Bivy Rab Alpine Bivi
Weather Resistance (25%)
6
8
9
7
6
Weight (25%)
8
6
5
7
6
Comfort (20%)
5
9
9
7
5
Ventilation (15%)
6
9
8
8
6
Packed Size (15%)
9
7
6
8
7
Specs MSR Pro Bivy Outdoor Research... Outdoor Research... Backcountry Bivy Rab Alpine Bivi
Measured Weight (oz.) 8.9 oz 16.3 oz 20.7 oz 13.6 oz 16.23 oz
Packed Size (in.) 8" x 3.5" 4" x 12.5" 4" x 15.5" 3" x 9.5" 4" x 10"
Waterproof? Yes Yes Yes Yes Yes
Open Length (in.) 88" 82" 84" 80" 87"
Shoulder Width (in.) 36" 26" 26" 36" 35"
Material (top/bottom) 20D ripstop nylon 2 ply breathable 1000mm Top: Pertex Shield 2.5L 100% nylon Bottom: 100% 40D nylon Top: 3-layer Gore-Tex Respiration Positive fabric
Bottom: Waterproof Hydroseal coated nylon
Top: 20D Nylon Ripstop
Bottom: 30D Nylon Ripstop
Top: eVent DVStorm 3 layer fabric
Bottom: 70d coated nylon
Bug Mesh? No Yes Yes Yes No
Sleeping Bag or Pad Attachments? No Yes Sleeping pad straps No No
Poles? No Yes, one overhead shockcorded Delrin pole Yes, one overhead shockcorded Delrin pole No No
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