fall 2010 regular xl
Weight 1 lb 13.3 oz / 830 g 1 lb 15.4 oz / 890 g
Fill weight 14 oz / 400 g 1 lb 0 oz / 450 g
Temperature rating 28 F / -2 C
EN comfort 36 F / 2 C
EN lower limit 25 F / -4 C
EN extreme -4 F / -20 C
Fill 800-fill down
Shape Mummy
Max user height 6 ft 2.8 in / 190 cm 6 ft 8.7 in / 205 cm
Shoulder girth 55 in / 140 cm 56.6 in / 144 cm
Hip girth 41 in / 104 cm 42.6 in / 108 cm
Foot girth 32 in / 82 cm 33 in / 84 cm

While the men's version hasn't been reviewed yet, there is 1 review for other versions of the Neutrino 400. Read all reviews »

Where to Buy

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Manufacturer's Description

Rab's Neutrino 400 is ideal for lightweight backpacking, cycle touring, and fast-and-light mountaineering.

* Pertex Quantum outer fabric
* Proportionally assigned differential cut
* Internal YKK 3 coil zipped stash pocket
* Left hand zip only
* Anti zip snag webbing tape
* Internal collar and hood draw cord for increased comfort
* Trapezoidal baffle chamber design
* Angled foot box
* Supplied with dry bag compression stuff sack

Visit Rab's Neutrino 400 page.

Retailers' Descriptions

Here's what other sites are saying:

Stuffed with 800-fill European goose down, the Rab Neutrino 400 Sleeping Bag delivers three-season warmth without weighing a ton or taking up tons of precious pack space on light-and-fast climbing missions and minimalist backpacking trips. Rated down to 27-degrees Fahrenheit (European Lower Limit), this down-filled bag is ideal for chilly autumn evenings in the desert and summer nights camped at high elevations. Rab's own Sleep Limit rating of 25-degrees Fahrenheit (based off European Standard + user testing) means it'll suffice when the mercury plummets well below the forecast's prediction. Water-resistant Pertex Endurance fabric prevents outside moisture from seeping through and compromising the down's heat-trapping loft. Going one step further, the down insulation features a hydrophobic coating that repels condensation and built-up perspiration from clumping together its lofty down clusters. Close-fitting neck baffles seal-in fiery heat, with trapezoidal baffle chambers throughout the body eliminating cold spots from stealing warmth. As a cool bonus, this bag zips into other Neutrino bags when you're camping with your significant other, favorite pooch, or simply desire double the sleeping space.

- Backcountry.com

On Sale. Free Shipping. Rab Neutrino 400 Sleeping Bag FEATURES of the Rab Neutrino 400 Sleeping Bag Pertex Quantum outer fabric Pertex Quantum inner fabric 800FP European Goose Down Rab fluorocarbon free Hydrophobic Down developed in conjunction with Nikwax Mummy taper shape Proportionally assigned differential cut Internal YKK 3 coil zipped stash pocket 3/4 length YKK 5 coil main zip Left and right hand zips available Extra long (additional 15cm) with left zip Anti snag zipper webbing tape Internal collar and hood drawcord Improved close fitting neck baffle design Trapezoidal baffle chamber design Angled foot box Dry bag compression stuff sack Cotton storage sack Temperature tested to new European standard EN13537: 2012 Hand filled in Derbyshire UK

- Moosejaw