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Basement - Outdoor Research Helium Waterproof Overtrousers

Pertex Shield+ 2.5Layer 30D ripstop / 13,000mm HH, 20,000 MVTR
Weighs 148g (Medium size)
Code: SS14119
  • £74.99
  • (FREE Delivery on orders over £15)
  • RRP £109.99
+ In Stock Now | Usually dispatched within 24 hours

Outdoor Research Helium Rain Jacket

Outdoor Research's Helium Pants use high performing Pertex Shield+ fabric to produce waterproof overtrousers that are incredibly light yet waterproof and breathable.

Outdoor Research says:

The 5.9 ounce, Pertex Shield+ Helium Pants come with all the waterproof performance and lightweight packable protection you need in a serious deluge. Compressible to the size of a granola bar, you'll forget they're stuffed in your pack until you throw them on to ward off a sudden mid-hike downpour.

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Outdoor Research's Helium Pants are made from 2.5Layer Pertex Shield+, which is one of the highest performing ultralight fabrics available, make them very waterproof and breathable despite the low weight.

The Helium pants have a shockcorded waist that's also half elasticated with a siliconised surface finish that will help stop these pants from working down, a similar finish to each hem should also stop the legs from working upwards as you bend and move.

There are loops for braces and calf length water resistant zips to help with getting on and off. There's even a zipped back pocket. There're no scuff panels at the ankles, presumably to keep the weight down - but these would have extended thee life of these pants a bit.

Designed with multisports in mind the Helium pants have some features suited to snow sports, but remain an excellent all round overtrouser.

- Reviewed by Ultralight Outdoor Gear

Read reviews here:


  • Lightweight
  • Accepts Accessory Suspenders
  • Ankle Zippers
  • Elastic Waist with Drawcord
  • Waterproof
  • Fully Seam Taped
  • Breathable

By placing quality first, we can offer the finest guarantee in the industry for each and every product – the Outdoor Research Infinite Guarantee™. We believe so strongly in the quality of the apparel and gear we make that if our product fails to meet your needs at any time, we are happy to replace it. Our products are guaranteed forever.

  • Standard Fit; A looser fit for comfort in both technical and casual apparel.
  • Fabric: Pertex Shield +, 2.5L, 100% nylon, 30D ripstop
  • Small weighs 144g
  • Medium weighs 148g
  • Large weighs 160g
  • XLarge weighs 168g
  • XXLarge weighs 175g
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