The Rab® Neutrino 600 Sleeping Bag is made for serious alpinists, with a narrow mummy fit and high performance materials that slash the weight and bulk. The 800-fill-power down won't shift during the night thanks to the boxwall baffles and is treated with hydrophobic Nikwax to ward off condensation, and the Pertex® Quantum outer is wind-resistant for cowboy camping comfort.

20D Pertex® Quantum Recycled Nylon Ripstop – A soft, lightweight, windproof fabric that encourages insulation to fully loft. Highly packable and protective, it's ideal for mountain activities.

Fluorocarbon-Free DWR

Lining – 20D Recycled Nylon.

RDS Certified 800-Fill-Power Down with Nikwax Fluorocarbon-Free Hydrophobic Finish

Neutrino Specs

Neutrino Collection – Stripped back and lightweight the Neutrino embodies the Alpine spirit. Eliminating excess bulk while offering warmth and protection, it’s built for fast moving mountain missions. Ideal for the alpinist on big mountain bivis and hut to hut stopovers.

Chevron Baffles – Chevron baffles save weight and reduce down migration to optimize core warmth.

Trapezoidal Box Wall Baffle Construction with Differential Cut Maximizes Loft and Warmth

Close-Fitting Adjustable Neck Baffle Design for Decreased Heat Loss

YKK 3/4 Length Zip with Synthetic Filled Baffle

YKK Zipped Internal Stash Pocket

Angled Footbox for Relaxed Sleeping Posture

YKK ANti-Snag Zip Insert and Anti-Snag Internal Zip Guard

Hand Filled in the UK

Includes Zipped Cotton Sack with Water-Resistant Base and Waterproof Roll-Top Compression Sack

Tapered Mummy Shape