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Men's STORM Waterproof Trail Jacket with Ultrashell

CimAlp innovation: a certified MUST-HAVE on Ultra Trails! 

This light jacket, just 219g in Medium, is equipped with Ultrashell® Slim 2.5 layer technology, which offers water resistance up to 10,000mm, and folds up into its own chest pocket. With a stretch fabric that follows all your movements.

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Size Table : STORM H
Choosing the right size
In order to obtain the correct size, measure around your chest at the widest part. The tape measure should pass under your arms.
This table takes into account if the item is larger / smaller sized.
Chest size (in): 34 - 36 36 - 38 38 - 40 41 - 43 43 - 45 45 - 47 48 +
Size to order: XS S M L XL XXL 3XL

£ 169.90

£ 119.90
Free delivery to pick-up locations
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Free exchanges and returns
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Garantie 2 ans
2 years warranty


Essential Trail Running Jacket

The STORM waterproof jacket is specially designed for trail running. Featuring an ergonomic fit with hood that follows your movements with ease. Its excellent performance makes it compatible with all trails and ultra trails, including the UTMB.

UltraShell® fabric:

This innovative CimAlp fabric is equipped with a light, stretchy membrane. Waterproof up to 10,000mm of water with breathability of 12,500MVP. This performance is achieved through a smaller pore structure, which lets air pass though while remaining durable.


Trail Running Jacket

The Product

The difference is in the details

  • 1 chest pocket with zip and flap
  • Cuffs with ergonomic thumb loops
  • Ergonomic hood with inner binding to follow the movements of your face
  • Attachment tab for better ventilation. Ability to wear the jacket half open
  • Hole for earphones
  • Multiple reflective marks for extra safety at night

For the experts...

  • Breathable, waterproof membrane up to 10,000mm of water
  • Real breathability of 12,500g/m²/24h 
  • Ideal for trail running as well as any other mountain activities

For The Specialists

Men's trail running jacket video


Insulation Level All Season
Weight 215g en taille M
Usage Light Hiking, Nordic Walking, Ultra Running, Ski Touring, Snowshoe Walking, Winter Hiking, Nordic Walking, Trail Running, Cross Country Skiing
Technology Ultrashell
Stretchability Stretch
Water Resistance 10,000mm / 1 bar
Breathability Very Good 10,000gsm
Wind Resistance Excellent. Over 100km/h
UV Protection UPF 50+
Key Features Wind resistant
Product Reviews
  • Number of Reviews : 33
  • Average Grade : 4.8 /5
  • S. Julien
  • 5/5
  • J. Acker
  • 5/5
very light product, wearable and item as described. I have not yet had the opportunity to test.
  • L. St̩phane
  • 5/5
light clothing, functional, efficient hood with visor, it is for trekking in the Alps this summer
  • L. Isabelle
  • 4/5
Item not tried yet.
  • D. Olivier
  • 5/5
Very light jacket - ran 2 times and was pleasantly surprised, windproof.
  • 5/5
Top quality, super light and very stylish
  • T. Jean Claude
  • 4/5
I expect rain
  • M. Dylan
  • 5/5
very light