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Castelli Ultra Rain Cape

Castelli Ultra Rain Cape

27.01.25 07:31 18Text: NoPain (translated by AI)Photos: Erwin HaidenFinally available: Waterproof, easily stowable, and made to shine in wind and rain - Castelli presents the ultimate gold standard of rain jackets.27.01.25 07:31 73

Castelli Ultra Rain Cape

27.01.25 07:31 73 NoPain (translated by AI) Erwin Haiden
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Finally available: Waterproof, easily stowable, and made to shine in wind and rain - Castelli presents the ultimate gold standard of rain jackets.27.01.25 07:31 73

Whether it's summer or winter - with the brand-new Ultra Rain Cape from Castelli, you are perfectly prepared for any weather change. This jacket is far more than just a compact rain jacket that can be effortlessly stored in any jersey pocket - it is the missing piece of the Ristretto Technology. Its extremely flexible material ensures that you can wear it not only over your jersey in the rain without it flapping in the wind but also over your Espresso Air Jacket or Perfetto Air Jacket in cooler temperatures.

This way, you can instantly transform your warm, breathable gear into reliable wind and rain protection - keeping you perfectly equipped all year round.

 Ready for Rain. 

With the Castelli Ultra Rain Cape - keeps you dry and also protects against wind.
  • Castelli Ultra Rain CapeCastelli Ultra Rain Cape
  • Castelli Ultra Rain CapeCastelli Ultra Rain Cape
  • Castelli Ultra Rain CapeCastelli Ultra Rain Cape
  • Castelli Ultra Rain CapeCastelli Ultra Rain Cape

Ultra Rain Cape

Detailansicht
4524506-010 Ultra Rain Cape
Medium, Black/Silver Reflective

The double-layer Polartec Power Shield RPM stretch fabric is completely free of PFAS and PFC, yet still offers effective DWR impregnation. The jacket features sealed seams and a smooth-running YKK zipper. The extended back section provides additional protection from splash water from the rear wheel.

For increased safety in bad weather, reflective piping on the sleeves and waist improves your visibility. And so that you can always have the jacket with you, it can be easily stored in even the smallest jersey pocket.

Insulation: 3/5
Waterproofing: 5/5
Windproofing: 5/5
Breathability: 3/5
Weight: 5/5 (168 grams)
Temperature range: 4-18 °C

Colors: Black/Silver Reflex, Electric Lime/Silver Reflex
Sizes: XS-3XL
Fit: Regular (although extremely tight)
Price: € 229.95 RRP

  • Castelli Ultra Rain Cape

The Ultra Rain Cape in the Test

Castelli Ultra Rain Cape
Model Year: 2025
Price: € 229.95 RRP
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Windproofness
Waterproofness
Insulation
Breathability
Lightweight
+ Top Performance
+ Compact Size
+ Everyday Usability
+ Reflectors for Safety
o Feels half a size too small or tight
o Cheaper than the Idro, but still not a bargain
- Delicate seams (?)
BB Verdict: If it’s too tight, you’re too bald – or you ordered the wrong size.


Lightweight, compact, waterproof, and aerodynamically cut – finally, there’s a worthy successor to the Idro rain jackets, which were removed from the lineup due to their PFAS and PFC coating. Inside the collar, there’s a thin pocket where the Rain Cape could be stored. We opt not to use it because we don’t want to crease it unnecessarily.

The cut of the Ultra Rain Cape is listed as "regular," but it still fits disproportionately tight. Nevertheless, the flexible stretch fabric provides more freedom of movement than one might initially expect – we were even just able to pull it over the thick Fly Direct Jacket for the photoshoot. It pairs better with a Tutto Nano ROS Jersey, an Espresso Longsleeve, or a Perfetto Air Jacket, but it already becomes snug with the Espresso Air Jacket.

Well-intentioned purchase tip: If you’re between two sizes or want to combine the Rain Cape with thicker jerseys or jackets, order one size larger without hesitation. Turn off your overthinking, order larger, done.

Once slipped on, the Ultra Rain Cape moves with every motion, doesn’t flap in the wind, and provides surprisingly good protection against the cold, as it leaves no chance for windchill. Additionally, it fits perfectly at the neck, wrists, and lower back, offering reliable protection against rain and splash water.

The Ultra Rain Cape already has the potential to become the new favorite of the Bikeboard editorial team, as it will probably go on tour just as often as the Idro. The lifespan is currently speculative – being particularly careful when putting it on and taking it off would definitely be a good prerequisite.