Rab Neutrino 400


RRP £335.00, Save 15%

Rab Neutrino 400


Foot Box

Foot Box
Stuff Sack

Stuff Sack

Rab Neutrino 400

The Rab Neutrino line of sleeping bags are constructed from lightweight and high quality materials, using 800 Fill Power European Hydrophobic Goose Down and Pertex Quantum fabric outer. With a high warmth to weight ratio, making the Neutrino 400 a very versatile bag, ideal for lightweight pursuits from backpacking to cycle touring, mountain marathons or fast-and-light mountaineering. The Neutrino 600 is on the warmer end of things, providing a great three season bag for colder weather backpacking or cool nights in the Alps.

Hydrophobic down is used to provide better performance in damp conditions. This is achieved by washing in a Nikwax coating in the early stages of production. This down is NOT waterproof, but will retain its loft for longer if it gets damp, and will dry faster. The Pertex Quantum fabric has a degree of water resistance, but for something more durable and water resistant check out the Neutrino Pro line of bags.

The Neutrino range now features an antisnag zipper with glow in the dark zipper pull making those emergency nighttime escapes much easier and less risky to the lining of your bag. A small internal stash pocket is ideal for keeping small essentials to hand, keeping batteries warm or securing valuables in dodgier regions!

For more information please read Down Fill Power Explained.

Rab Neutrino 400 Features

  • Pertex Quantum fabric
  • 800 FP European Goose Down
  • Rab fluorocarbon free Hydrophobic Down developed in conjunction with Nikwax
  • Mummy taper shape
  • Half length YKK 5 coil main zip
  • Internal stach pocket
  • Anti snag zipper with glow in the dark zipper pull
  • Internal collar and hood drawcord
  • Proportionally assigned differential cut
  • Trapezoidal baffle chamber design
  • Angled foot box
  • Dry bag compression stuff sack
  • Cotton storage sack

Size EN
Max User
Fill Fill
Reg -1°C -7°C -25°C 70cm 40cm 185cm 800 Goose Down 400g 795g 18 x 43cm
XL -1°C -7°C -25°C 72cm 42cm 200cm 800 Goose Down 435g 855g 18 x 43cm

Please note Extreme temperatures are at the point of danger to health.

Video Feature

Rab® Down Sleeping Bags - Hand Filled in Derbyshire from Rab on Vimeo.

Customer Reviews of Rab Neutrino 400

from 1 Review

Rab Neutrino 400 Review, Matt, 08/22/2016

Immediately you notice the bag is light, but well made. The bag has a soft and comfortable feel that makes you wish you didn't have to use a sleeping bag liner (..but you should of course!). It seems thin at first but is surprisingly warm once you are in, relying on your body heat of course to get the temperature up inside! The bag packs well in the tight fitting carry bag and measures up to what is advertised (~27x18cm in size when fully compacted). The storage sack is quite useful to keep your bag stored in the long term. I am ~5'8, 71kg, and fit inside very easily with quite a bit of room from the waist up to move around. I would strongly recommend this sleeping bag. It's worth the high price for something that will easily last 10-12+ years with occasional use and being looked after well.

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