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Rab Atmos Jacket

Pertex Shield+ 3 Layer / 20,000mm HH, 20,000 MVTR
Weighs 296g (Medium size)
Code: SS14688
  • Now £127.49
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  • RRP £169.99
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RAB's Atmos Jacket is a minimalist design yet still has a number of key features, such as fully adjustable hood, handwarmer pockets and a gutter backed main zip. Being constructed of 3Layer fabric it will be more durable than some other jackets in its class.

RAB says: Minimalistic waterproof jacket in 3L Pertex Shield+, for light-weight packable weather protection.

|Pertex Shield+ Fully Waterproof Breathable Fabric - with high 20,000mm Hydrostatic Head and high 20,000g MVTR breathability rating Pertex Shield+ delivers very high performance at very low weight. Click Logo to read more...
|Click here for more info on Rab, product updates and New Season information.

RAB's Atmos jacket is made from Pertex Shield+ 3L fabric, 3L stands for 3 layer, this is important because many jackets using Pertex Shield+ are made from a 2.5Layer, which is an excellent performing fabric, but RAB have moved to the 3 Layer construction because the resulting fabric is more durable.

Weight is still kept low because the outer fabric has a lower thread count than a typical 2.5L application - bottom line is RAB can make a jacket that's still very light but will be just that bit more durable than others using 2.5Layer.

Feature-wise the Atmos has a well designed hood with a cinch cord round the head so that it moves with the wearer, two hand pockets, velcro adjusted wrists and a water resistant main zipper backed by a rain gutter.Inside the hand pockets are fabric, not mesh. The peak is stiffened with foam.

A similar jacket but with more features and a very slightly heavier face fabric (and hence a heavier jacket) is the Xiom - also made with 3Layer Pertex Shield+.

- Reviewed by Ultralight Outdoor Gear

Help and advice: Advice on choosing a waterproof shell at Ultralight Outdoor GearHydrostatic Head explained at Ultralight Outdoor GearMVTR & Breathability explained at Ultralight Outdoor Gear
Read reviews here:      
  • Pertex Shield+ 3L fabric
  • Minimal helmet compatible hood, stiffened peak
  • YKK Aquaguard front zip, internal storm flap, rain drain
  • 2 YKK Aquaguard zipped A line pockets
  • Elasticated with Velcro fasten cuffs, 1/2 hem drawcord
  • Reflective detail
  • Fit: Slim



  • Fit: Slim
  • Small weighs 278g
  • Medium weighs 296g
  • Large weighs 298g
  • XLarge weighs 324g
  • XXLarge weighs 326g

All RAB products are designed with end-use in mind. The fit of our garments reflects this, and varies across different product categories.

Slim: Close fitting, for maximum performance.

The fit of each garment makes allowances for clothing layers likely to be worn underneath it: a ‘regular fit’ shell jacket will have room for several layers underneath, whereas a ‘regular fit' tee will not.

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