Neutrino Pro 500 Down Sleeping Bag -9C / 15F

26% OFF

CA$458.00

CA$619.99Save CA$161.99 (26%)

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Price Historylast 3 months

Low CA$409.19 · High CA$489.79. Hover the line to see each change.

Is this a good deal?

The lowest price we’ve tracked since July 2026 is CA$421.59; today’s price is CA$458.00.
The current price has held for 2 days.
Across the 21 Sleeping Gear deals we’re tracking right now, the median discount is 36% — this deal’s 26% off is below that mark.

Based on prices we’ve recorded from The Last Hunt since July 2026, refreshed several times daily.

About this product

The Rab Neutrino Pro 500 is a high-performance mummy sleeping bag built for mountaineering, multi-day trekking, and fast-and-light alpine adventures. It is filled with 500g of 800-fill-power, RDS-certified European goose down treated with a Nikwax fluorocarbon-free hydrophobic finish to resist moisture in damp or snowy conditions. The outer shell is 20D Pertex Quantum Pro recycled nylon ripstop with a fluorocarbon-free DWR coating, while the lining uses 20D recycled nylon at 38gsm. ISO EN 13537 ratings place the comfort threshold at 0°C (32°F), the limit at -6°C (21°F), and the extreme at -24°C (-11°F), with Rab's own sleep limit set at -9°C (15°F). Chevron-shaped baffles reduce fabric use and down migration, and trapezoidal boxwall construction with a differential cut allows full loft with no cold spots. A neck baffle, adjustable hood drawcord, and zip baffle further minimize heat loss. The regular version weighs 915g and packs to 35x23cm, making it a genuinely compact choice for weight-conscious alpinists. Hand-filled in the UK, it ships with a waterproof roll-top compression sack and a cotton storage sack.

Category: Sleeping Gear
Brand: Rab
Material: 100% Recycled Polyamide With Polyurethane Coating, Lining: 100% Recycled Polyamide, 20D Recycled Nylon(38gsm)
Color: Colour: Granite
Size: 35x23cm/13.8x9.1in
Lining: 100% Recycled Polyamide, 20D Recycled Nylon(38gsm)
Weight: (Reg)915g/32.3oz, (XL)1005g/35.5oz
En(13537: 2012)Temperature rating: ISO EN: Comfort: 0°C(32°F), Limit: -6°C(21°F), Extreme: -24°C(-11°F)
Pack Size: 35x23cm/13.8x9.1in
Activities: Mountaineering, Multi-day Trekking, Fast & Light Adventures
Customers Say: True to Size

What people are saying

Reviewers consistently praise the Rab Neutrino Pro 500 for its exceptional build quality, refined detailing, and reliable warmth in alpine and three-season conditions. The combination of 800-fill-power hydrophobic down and a Pertex Quantum Pro shell earns repeated praise for being damp-shedding and durable, making it a strong choice for bivouacs and exposed mountain use. User-friendly features like the no-catch zip and easy hood toggles are frequently highlighted. The most common criticism is the premium price, which sits at the upper end of the market for its warmth rating. The narrow mummy cut, while thermally efficient, can feel restrictive for side sleepers or broader-shouldered users.