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June 2019 Issue
Home / Gear reviews / Sleeping Bags

Rab Summit 600

Price:

$699.95

Our Rating:

At a glance
Plusses: 
Comfort, non-restrictive, durable.
Minuses: Weight, bulky when packed.

1090g, Lower limit -6.5°C

Features: This bag uses 600g of 650+ loft duck down and carries the Responsible Down Standard certification. It has a water-resistant shell and a mummy shape. There is a two-way YKK zipper with anti-snag nylon webbing tape to prevent fabric catching. The zip is self-locking but there is also a Velcro tab at the shoulder to ensure it doesn’t slide open during the night. A full-length draft tube runs behind the zipper and it also has a full-circumference insulated collar. There is an internal drawcord to pull the hood tight. The bag is EN tested to -0.5°C (comfort), -6.5°C (lower limit), -24°C (extreme).

Fit: The bag is the widest of all three in this review and the taper is quite gentle throughout, so you don’t really even notice it. This creates more dead space, but a looser fit will appeal to those who don’t like feeling restricted.

Comfort: The soft touch nylon fabric is pleasant next to the skin and breathes well, helping relieve the clammy feeling when you heat up and perspire. The bag carries a lot of down and this creates a soft, luxurious cocoon.

In use: I liked the freedom of movement the extra space in this bag allowed, but that also meant the bag sometimes rolled on its own, so the hood would end up on top of me. The bag is the coolest of those tested and I definitely noticed the difference on nights when the mercury dropped to around 4°C. That said, it was an easier bag to regulate temperature, simply because it proved more comfortable on warmer nights when the other bags felt too hot.

The drawcord pulls the hood and collar tight to create a small opening that still leaves space to breathe and see. The cord is located inside the bag, and I found it easier than the other two bags to pull tight and to loosen. The zipper moves easily and a nylon webbing backing prevents it from catching on the bag’s fabric. The Velcro closure at the shoulder is not needed to prevent the zip from sliding open during the night. The bag is quite bulky and though it comes with a compression sack, it still occupied a sizeable portion of my pack.

Value: The bag feels durable and with water-resistant fabrics and fill, it should last the distance. Its lower temperature rating makes it suitable for extended use in warmer seasons.

Verdict: A bag for all times of the year, especially if you’re staying in huts or doing your camping in all but the coldest conditions.

See some of the highlights of this bag in our video summary:

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