Outdoor Research Interstellar Waterproof Jacket

Ascentshell 3 Layer / 15,000mm HH, 30,000 g/m2/24h MVTR
Weighs 312g (Medium size)
Code: AW19506
  • Now £229.99
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Waterproofing for the most active people. The Interstellar has excellent stretch and breathability making it a great option for anyone who doesn't want the weather to stop you getting out. Whether that's heading into the mountains or simply around town this jacket has you covered.

Outdoor Research says: Pinnacle hard shell with soft stretch and out-of-this-world waterproof protection.

The lightest, most breathable hard shell with real stretch that keeps you dry without keeping you constricted. With dynamic reach underarm panels allow total mobility, above-the-harness pocket placements, and a fully adjustable helmet-compatible hood that offers versatility across different activities and seasons - the Interstellar tips the scales at 11.6 ounces without compromising on functionality. Featuring exclusive AscentShell™ technology to give you unprecedented stretch and moisture management wrapped in a completely stormproof outer layer.

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Outdoor Research's Interstellar Waterproof Jacket gives you a great level of protection from the wind and rain but its extremely high level of breathability and stretch in the material that sets it apart. This is a great all round jacket with design features and a style that make this jacket stand out when you're around town or up in the mountains. The high level of stretch and breathability mean that this is great for walking, fast-packing and more intense activities such as mountain biking but I found that trail running stretches it's limits in this sense.

The Interstellar provides a decent amount of features for this weight and price. A fully adjustable hood with stiffened peak means you can keep the worst of the weather out even when the wind and rain are swirling around you. The hem and cuffs are also adjustable and added to the stretchy, soft feel of the material make this one of the most comfortable hardshells I've ever worn.

The only update for this version is the addition of a hoodlock to neatly roll the hood away if not required.

- Reviewed by Ultralight Outdoor Gear

Read reviews here:


Help and advice:
Advice on choosing a waterproof shell at Ultralight Outdoor Gear
  Hydrostatic Head explained at Ultralight Outdoor Gear
  MVTR & Breathability explained at Ultralight Outdoor Gear
  • Fabric Performance: Waterproof, Windproof, Breathable, Lightweight, Air Permeable, Fully Seam-Taped, Electrospun Membrane, Movement-Mirroring Stretch
  • Design Features: Fully Adjustable Helmet Compatible Hood, Wire-Brimmed Halo-Hood with Hood Lock™, YKK® AquaGuard® Zippers, YKK® AquaGuard® Vislon Center Front Zipper, Internal Front Stormflap, Zip Chest Pocket, Zip Hand Pockets, Stuffs into Left Hand Pocket, Carabiner Loop, Key Clip, Dynamic Reach™ Underarm Panels, Single-Separating Front Zipper, Hook/Loop Cuff Closures, Elastic Drawcord Hem, Elastic Cuffs

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: 298g
  • Medium weighs: 312g
  • Large weighs: 328g
  • Back length: 30 1/4" / 77cm
  • Fit: Trim fit


  • AscentShell™ 3L, 100% Nylon 20D ripstop face with 100% polyester 12D backer
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