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Basement - Outdoor Research Deviator Hooded Vest

Polartec Alpha Insulation 64g/sqm
Weighs 220g (Medium size)
Code: AW17220
  • Now £79.99
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The award-winning Active Insulation layer that provides the perfect balance of lightweight insulating warmth and air permeability for high-exertion activities.

Outdoor Research says:

Let’s not make things too complicated here: in 2015, our Deviator Hoody won a Backpacker Editors’ Choice Award for its combination of insulation and breathability. Among other compliments, they said, “Better pick a color you like, because you’ll never want to take this jacket off.” So now we’ve made a vest with the same Polartec Alpha insulation on the front and Polartec Power Grid on the back and hood—and no sleeves.

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Outdoor Research's Deviator Hooded Vest is a really interesting garment. Just like the popular jacket version, most of it is Polartec Power Grid which is a high wicking, high breathability insulator worn either next to skin or over a thin baselayer. It's teamed up with Polartec Alpha insulation on the front and a nylon shell to block the wind and keep it all in place.

Practically what you have is a garment with higher insulation on the front torso with less insulation on the back and hood - and both insulation levels are using highly breathable systems which means you can use this garment confidently when engaging in high activity. Therefore its an ideal, practical, insulation piece to pull on while on the move - we're thinking towards the end of the day when it cools down but you haven't got off the mountain yet!

Feature-wise the hood is a simple affair with binding around the face edge and the front zip is backed by a weather flap. It's a nicely finished garment with an 'edgy' look to it.

- Reviewed by Ultralight Outdoor Gear

Help and advice: Synthetic Insulation explained at Ultralight Outdoor Gear
  • Fabric Performance: Active Insulation, Wind Resistant, Breathable, Hybrid Mapped Construction, Lightweight, Movement-Mirroring Stretch, Stretch Liner, Anti-Odor
  • Design Features: Zip Chest Pocket, YKK DWR Treated Zippers, Key Clip, Overlay Film Trim
  • Functional Details: Single-Separating Center Front Zipper, Elastic Drawcord Hem

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.

  • Small weighs: 206g
  • Medium weighs: 220g
  • Large weighs: 230g
  • XLarge weighs: 252g
  • Centre back length: 28 ¾” / 73 cm
  • Fit: Trim


  • Polartec® Power Grid™ 2L
  • 84% polyester, 16% spandex knit face with plaited knit grid backer
  • hood and back panel 100% nylon 7D ripstop front body and back side panels
  • 100% polyester stretch mesh lining
  • Polartec® Alpha Insulation 100% polyester
  • 64 g/m2 front body
  • hood and back side panels
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