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Sleeping Bags

Rab Neutrino 400

The Rab Neutrino 400 Sleeping Bag is a top-notch product that stands out in the outdoor market due to its multitude of features, high-quality construction, and durable design. This sleeping bag is specially engineered for those who prefer outdoor adventures, mountaineering, or camping in colder temperatures. The Neutrino 400 is an essential addition to any backpacker’s gear who dares to challenge the outdoors in any weather condition.

With a measured weight of approximately 810 grams, this lightweight sleeping bag is easy to pack and carry, making it an optimal choice for long-distance hikers and backpackers. The Neutrino 400 is notable for its 800 fill power European goose down. The higher the fill power, the better the down’s insulation and lofting capabilities, resulting in a warmer, lighter sleeping bag. This remarkable fill power, coupled with the bag’s tapered mummy shape, efficiently retains body heat, enabling the user to stay comfortable and warm in a wide range of temperatures.

The outer shell of the Rab Neutrino 400 is crafted with Pertex Quantum fabric. This material is esteemed for its durability and resistance. It is highly capable of withstanding harsh environments and providing robust windproof and water-resistant properties. The fabric also enhances downproof capabilities, ensuring that the precious down insulation remains securely inside the sleeping bag.

Comfort and functionality go hand in hand with this premium sleeping bag, featuring an internal collar and hood drawcord. These features work as additional defense lines against the cold, providing an extra seal around the neck and head. The Neutrino 400 also comes equipped with a ¾ length YKK zip that allows for quick and easy access, boosted by the integrated zipper anti-snag tape preventing material snags whilst operating it.

One of the key differentiators of Rab Neutrino 400 is its packability. It comes with a lightweight stuff sack and a cotton storage sack, contributing to its compact size when packed and ensuring that the down maintains its loft when stored for extended periods.

The Neutrino 400 is available in two lengths to cater to a range of heights, further exemplifying Rab’s commitment to ensuring user comfort and satisfaction. Each and every aspect of the Neutrino 400 speaks of innovation, longevity, and user-oriented design. The sleeping bag exhibits not only Rab’s years of experience in the outdoor gear industry but also their dedication to providing high-quality and dependable products.

Scientifically tested, the Rab Neutrino 400 outperforms many of its competitors, capable of offering a comfort limit of -1 degree Celsius and an extreme temperature of -17 degrees Celsius, making it an ideal sleeping bag for a wide range of outdoor adventures.

In conclusion, the Rab Neutrino 400 Sleeping Bag is an excellent blend of quality, functionality, and pricing. It offers an impressive warmth-to-weight ratio that provides outstanding thermal efficiency. Regardless of whether you are a seasoned adventurer or a novice trekker, if you are looking for a reliable, durable, and comfortable sleeping companion to accompany your cold-weather adventures, the Rab Neutrino 400 is an investment that won’t disappoint.

Read more about Rab Neutrino 400 at Find the specs, the best price, and compare it to other similar products.


Weight 1 lbs 11.2 oz
Product Brand Rab
Rab Sleeping Bags

Added: September 27, 2023

* Prices are updated daily from the best online outdoor stores. Please check sites for the latest best price.


Rab Neutrino 400

Rab Neutrino 400

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