Castelli Alpha 150 Jacket

XL
Delivered between Wed, 6.5. and Wed, 13.5.
free shipping

Colour3

Size6

Product details

The Alpha 150 Jacket by Castelli is a highly advanced cycling jacket specifically designed for cold weather conditions. It combines innovative materials and thoughtful design to ensure both warmth and breathability. The outer layer made of Polartec® AirCore™ protects against wind and rain, while the inner Polartec® Alpha™ insulation provides pleasant warmth. This jacket is the result of over a decade of research and development aimed at optimizing comfort and functionality during winter rides. The Alpha 150 Jacket is ideal for cyclists who want to stay active in cool temperatures without sacrificing comfort. It features a close, stretchy fit that makes wearing a winter jacket almost unnoticeable. Additionally, the jacket is environmentally friendly, as it is made from recycled materials and is free from PFAS.

  • Highly breathable outer layer made of Polartec® AirCore™
  • Inner insulation made of Polartec® Alpha™ for optimal warmth
  • Close, stretchy fit for high wearing comfort
  • Two large zippered pockets for secure storage
  • Made from recycled fibers and free from PFAS.

Key specifications

Material composition
16% spandex30% elastane32% polyesterInserts 2: 70% polyamideInserts: 52% polyamideMain material: 100% polyester
Target group
Men
Cycling jacket type
Winter cycling jacket
Clothing size
XL
Bike area of use
Racing bikes
Season
Winter

General information

Item number
59893543
Manufacturer
Castelli
Category
Cycling jackets
Release date
1.7.2025

Colour

Colour
Violet
Exact colour description
ClayDeep Bordeaux

Material

Material composition
16% spandex30% elastane32% polyesterInserts 2: 70% polyamideInserts: 52% polyamideMain material: 100% polyester

Target group

Target group
Men
Age group
Adults

Clothing properties

Cycling jacket type
Winter cycling jacket
Clothing size
XL
Bike area of use
Racing bikes
Fit
Slim fit
Clothing functions
BreathableInsulatingWater-repellentWindproof
Zipper type
Two-way
Hood type
Without hood
Layer of clothing
Outer layer / weather protection layer
Pockets
3 back pockets
Fabric properties
BreathableWater-repellentWindproof
Season
Winter

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
11.45 kg
Climate contribution
CHF 0.27

Product dimensions

Weight
381 g

Package dimensions

Length
40 cm
Width
30 cm
Height
7 cm
Weight
398 g

30-day right of return and free return shipment
24 Months Warranty (Bring-in)

Compare products

Goes with

Reviews & Ratings

Warranty score

How often does a product of this brand in the «Cycling jackets» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 2.Agu
    0.4 %
  • 2.Wowow
    0.4 %
  • 4.Castelli
    0.5 %
  • 4.Gore Wear
    0.5 %
  • 6.Fox
    0.6 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Castelli
    Not enough data
  • 1.Endura
    7 days
  • Agu
    Not enough data
  • dirtlej
    Not enough data
  • Fox
    Not enough data

Return rate

How often is a product of this brand in the «Cycling jackets» category returned?

Source: Digitec Galaxus
  • 4.Fox
    21.8 %
  • 5.Agu
    24.9 %
  • 6.Castelli
    25.6 %
  • 7.Proviz
    25.8 %
  • 8.dirtlej
    26 %
Source: Digitec Galaxus

Translation: machine translated
Very good90/100
Rennrad Radsportmagazin Logo
Rank 7 out of 40Rennrad RadsportmagazinThermo-Jacken und -Radhosen im TestReleaseDecember 2025
  • PositiveFit
  • PositiveConstruction
  • PositiveInsulation
  • PositiveWeather protection
  • NegativeHigh price

One of the warmest jackets in this test field comes from Castelli. The Alpha 150 impressed with its top insulation even at sub-zero temperatures. Castelli combines a windproof and water-repellent Aircore outer material with a lightweight, warm and hydrophobic Polartec Alpha insulation layer on the inside...