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Outdoor Research

Outdoor Research Men's Helium II Jacket (Pewter)

2 reviews   |  

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FLASH SALE: Please note items in this sale are competitively priced as they are on a pre-order basis. This means, all ordered items will be despatched between the 2nd and 4th March for delivery by 9th March. This Flash Sale offer ends 15th February, 9am.

NB: Any other items ordered alongside Flash Sale products will be despatched together with the Flash Sale products between the aforementioned dates.

The Outdoor Research Helium II Jacket is a waterproof, ultra-lightweight, Pertex® Shield, mens rain jacket.

The Helium is built for flash-storm protection, the 100% waterproof, super-breathable Helium II Jacket weighs an incredibly light 180g which makes this the best choice for maximum storm protection for the minimalist.

An ultra-compressible piece you'll never leave behind, it’s so light and packs down so small, you'll forget it's clipped to your harness until you throw it on to ward off a sudden mid-route downpour.

Compressible to the size of a granola bar, the Mens Helium II by Outdoor Research keeps you completely protected from unfriendly weather on the trail but doesn't waste space or add more than a feather's-worth of weight to your pack.

Pertex Shield

Designed for intense mountain pursuits where weight and breathability are key, Pertex® Shield fabrics allow you to move fast and stay comfortable.

The versatile 2, 2.5 and 3-layer constructions combine lightweight face fabrics with waterproof, windproof and breathable membranes. A durable water repellent (DWR) finish applied to the face fabric sheds rain and snow, which helps to maintain breathability.


Please see chart in images.


  • Waterproof, Windproof, Breathable, Ultra lightweight
  • Laminated Construction
  • Fully Seam-Taped
  • YKK® AquaGuard® Centre Front Zipper
  • Fully Adjustable Hood
  • Zip Chest Pocket
  • Single-Separating Front Zipper
  • Internal Pocket Doubles as Stuff Sack
  • Carabiner Loop
  • Reflective Logos
  • Elastic Cuffs
  • Elastic Drawcord Hem
  • Regular fit


  • Pertex® Shield 2.5 layer - 100% Nylon
  • Material characteristics: breathable, waterproof, windproof
  • Material outer fabric: 100% Nylon
  • Outer fabric: 2.5-layer, Pertex® Shield


  • Weight: 180g (L)
  • Back length 76cm (L)
Customer Reviews
4.5 Based on 2 reviews
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Filter Reviews:
    Jason G.
    France France
    Mens helium ll jacket

    Brought this because of the great price, saw some good reviews online so jumped at the chance Wanted to get my pack weighed down and that’s the first thing you notice it feels like it’s not there, saving 200g on my old jacket, it has a nice slim fit and feels good just not to sure it is really that breathable (not put it to it’s full test yet) But if you want something super super light in your pack that takes up no space for all kinds of sports this could be for you

    Gordon D.
    United Kingdom United Kingdom
    Helium 2 Jacket

    Arrived on time as promised, only tried it on, fits well .. hope to use it soon..