Rab
Rab Cirrus Alpine Insulated Jacket (men's)
- Warmth: 8/10 How warm it keeps you standing still at camp.
- Weight: 6/10 How much it adds to your pack.
Lowest price we found
£159.99 at Ultralight Outdoor Gear
Go to Ultralight Outdoor Gear Compare 2 shopsHill walking, climbing, mountaineering, trekking and general use as a synthetic insulated jacket
- Weight
- 516 g (M)
- Insulation
- Synthetic
- Fill weight
- 232 g
- Hood
- Yes
Where to buy
Ultralight Outdoor Gear £159.99 In stock. Free delivery. Shown as reduced from £189.99. Size M in stock in Army, Beluga, Black and Tempest Blue. The shop gives 540 g for its medium. Free tracked UK delivery.
View at shop: Ultralight Outdoor GearRab £190 In stock. Free delivery. Size M in stock in 6 colours (Army, Beluga, Black, Oak, Tempest Blue, Tuscan Red/Dark Horizon); sold out in Dark Pollen.
View at shop: RabPrices checked 8 Nov 2026 on each shop's own page; shops can change them. We earn no commission on these links; shops are listed by price. More
Our ratings (out of 10)
1 to 10, compared with the whole market. Each says what it's based on. How we score
Warmth
From reviews 8/10How warm it keeps you standing still at camp. 8: Clearly better than most.
Three reviewers call it properly warm. Outdoor Gear Lab rates warmth 8 out of 10 and says it is one of the warmest jackets in its test (2022 version of the same jacket). Active-Traveller says it keeps you seriously warm. Black Sheep wore it comfortably down to -10 C and found the hood very well insulated. All three are clear praise, none rates it the best they have used.
Weight
From maker's figures 6/10How much it adds to your pack. 6: A bit better than average.
Rab publishes 516 g for the men's medium, in the 450-599 g band. Ultralight Outdoor Gear lists 540 g for its medium, the same band.
In short
Good for
- Hill walking, climbing, mountaineering, trekking and general use as a synthetic insulated jacket
Strengths
- PrimaLoft Silver RISE recycled loose-fill insulation in larger baffles, which Rab says feels warmer than before
- Rab rates its windproofing and pack size highly
- Insulated zip baffle with a fleece-lined chin guard on the YKK centre front zip
- Fluorocarbon (PFAS) free fabric, with more than 75% recycled materials
Weaknesses
- 516 g in size M, and Rab gives its own lightness only a middling rating
- Rab gives breathability and durability only middling ratings
Sources
We haven't tested this ourselves. Every score comes from these specs, tests and reviews.