Sorry, this product is no longer available!
Castelli Alpha Cycling Jacket is no longer available at Merlin Cycles. However you may find an alternative or updated product below.
Castelli Alpha Cycling Jacket
Castelli Alpha Cycling JacketCastelli Alpha Cycling Jacket

This item was discontinued 17th October 2017.

If you require help finding an alternative to this product please contact customer services.

Code: CS14502
Windproof and water resistant, stretch fabrics ensure a comfortable fit on a wide range of body shapes.

Windproof and water resistant, stretch fabrics ensure a comfortable fit on a wide range of body shapes.



  • Articulated collar for better fit
  • Windstopper 150 fabric is windproof and water resistant
  • Dual layer construction creates better ventilation, moisture evaporation and breathability
  • Asymmetric YKK Vislon zipper lays flat and slides easily
  • Raw edge waist follows the body lays flat and is low bulk
  • Raw edge wrists create a perfect interface with Castelli gloves
  • The stretch fabrics combined with the latest advanced patterning creates a close fit on a wide range of body types
  • Back ventilation for greater comfort
  • Castelli silicone grippers
  • Front zippered key pocket
  • 3 large open rear pockets
  • Zippered rear pocket with reflective webbing
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Sizing Information for Castelli Clothing:
Castelli Size Charts

A fantastic jacket that is great for autumn riding. The quality is high as you would expect from Castelli. The price from Merlin was great and delivery was fast.
I am 1.84 size, 80 kg, I got large size. It's a little tight. I recommend you take 1 size larger. Fabric quality is great. It does not let water and wind in. I tested it.
Absolutely superb. Comfortable, durable & looks good.
Already owning a Gabba, I wondered how different the Alpha would be. It is quite thin for the claimed winter ability, it also feels quite short and tight in comparison to the Gabba, however having this in the wardrobe is a bonus. High neck line saves wearing the additional neck warmer. The cuffs are designed to slip inside the sleeve of your glove and is a great idea. When ordering go one size up against whay you normally wear. Rain does not penetrate. Not cheap but as normal a well thoughtout Castelli product.
Excellent jacket, Very comfortable however runs a little small, size up. 165 lbs and 5 feet 11 inches large fits, medium is too small.