Neutrino Pro 600 Sleeping Bag

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.

Delivering a high warmth to weight ratio and now built with recycled materials, the Neutrino 600 is lightweight in your pack and on the planet. It's ideal for mountaineering, lightweight backpacking or bikepacking trips. Filled with 800FP goose down and covered with a recycled, wind resistant Pertex® Quantum outer, the Neutrino 600 offers a -12C Rab sleep limit.

The weight saving chevron baffle design, reduces down migration and optimises core warmth, and the close fitting adjustable neck baffle is designed to decrease heat loss, making it a great choice for winter mountain missions.

Key Technologies

Pertex® Quantum

A soft, lightweight, windproof fabric that encourages insulation to fully loft. Highly packable and protective, it's ideal for mountain activities.

Fill Power - 800

Fill power is all about down quality, not quantity. Find out more about what fill power means for you when you're out in the mountains in cold conditions.

Rab Sleep Limit Explained

Need help choosing the right bag for your next adventure? This is our real-world assessment of a sleeping bag's usable temperature limit. Find out how we arrive at this rating and how you can use it to select your bag.

Fluorocarbon-Free DWR

A durable water repellent coating made without harmful fluorocarbons, that encourages water to bead and roll off the garment, keeping you dry. Find out more about why we're cutting out fluorocarbons from our gear.

RDS Certified Down

The Responsible Down Standard independently certifies down against animal welfare requirements and tracks it from the source to the final product.

Key Features

• Rab Sleep Limit: -12°C (10°F)
• 20D Pertex® Quantum 100% recycled nylon ripstop (38gsm) with fluorocarbon-free DWR
• Lining: 20D 100% Recycled Nylon (38gsm)
• Weight saving chevron baffle design
• Trapezoidal boxwall construction with differential cut, to maximise loft and warmth
• Close fitting adjustable neck baffle design for decreased heat loss
• YKK 3/4 length main zip with synthetic filled baffle to trap warmth
• YKK zipped internal stash pocket
• Angled foot box for relaxed sleeping posture
• YKK Anti-snag zip insert and anti snag internal zip guard
• Hand-filled in Derbyshire UK
• Zipped cotton sack with water-resistant base for home storage
• Waterproof roll-top compression sack includedWeight
• Packed Size: (Reg) 40x26cm/15.7x10.2 inch
• Weight: (Reg) 998g/35.2oz
• Internal Shoulder Circumference: (Reg) 160cm/63 inch, (XL) 162cm/63.8 inch, (WZ) 182cm/71.7 inch, (WR) 180cm/70.9 inch