Quick Summary
The Rab Men’s Cirrus Flex Hoody Insulated Jacket in Black, size XL, is a synthetic insulated jacket with a slim fit. It is described as a mobile puffy style for climbing, trekking and general use, with an under-helmet hood and articulated sleeves.
The jacket combines a Pertex Quantum shell with fleece side panels, and the insulation is PrimaLoft Silver Rise. The stated specification also notes windproof and water-resistant outer fabric, plus a centre back length of 71.5 cm for the Medium size and a weight of 446 g.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Rab. |
| Product type | Men’s insulated jacket with hoody. |
| Colour | Black. |
| Size | XL. |
| Fit | Slim fit, which sits close to the body. |
| Insulation | PrimaLoft Silver Rise synthetic insulation. |
| Outer fabric | Pertex Quantum shell fabric with fleece side panels. |
| Hood | Under-helmet hood with a hybrid construction including fleece. |
| Weight | 446 g. |
| Centre back length | 71.5 cm for the Medium size. |
| Material | Main fabric: 100% recycled polyamide with fluorocarbon free DWR. Sides: 94% polyester, 6% spandex. |
What to Compare Before Buying
- Fit: This jacket uses a slim fit, so compare it with the layering room you want under an insulated mid-layer or outer layer.
- Size: The size here is XL, so confirm the size you select matches your usual Rab fit and body measurements.
- Weather protection: The outer fabric is described as windproof and water-resistant, so compare that against the conditions you expect to face.
- Use type: It is positioned for climbing, trekking, mountaineering and general use, so check that those are the activities you have in mind.
- Construction: The fleece side panels and articulated sleeves are part of the design, so compare the cut and movement feel with similar jackets if flexibility matters to you.
Before You Decide
Confirm the size, fit and colour before choosing an offer. The slim cut and XL sizing are the main checks for getting the right version, and the under-helmet hood is part of the jacket’s stated design. If you need a different fit or a non-insulated layer, compare another option before you buy.











