The Alpha 150 Jacket by Castelli is a highly developed cycling jacket specifically designed for cold weather conditions. It combines innovative materials and a 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 effective heat retention. This jacket is the result of years of research and development aimed at offering cyclists a comfortable experience in winter conditions. The stretchy, form-fitting design ensures that the jacket is not only functional but also pleasant to wear. Additionally, the Alpha 150 Jacket is environmentally friendly, as it is made from recycled materials and is free from PFAS. It is ideal for cold, dry days and offers sufficient protection against light rain, making it the perfect choice for winter.
Target group | Men |
Bike area of use | Racing bikes |
Season | Winter |
Clothing size | S |
Cycling jacket type | Winter cycling jacket |
Material composition | 16% spandex, 30% elastane, 32% polyester, Inserts 2: 70% polyamide, Inserts: 52% polyamide, Main material: 100% polyester |
Item number | 59893522 |
Manufacturer | Castelli |
Category | Cycling jackets |
Release date | 1.7.2025 |
Colour | Black |
Exact colour description | Black, Light Black |
Upper | Polyester |
Material composition | 16% spandex, 30% elastane, 32% polyester, Inserts 2: 70% polyamide, Inserts: 52% polyamide, Main material: 100% polyester |
Target group | Men |
Age group | Adults |
Cycling jacket type | Winter cycling jacket |
Clothing size | S |
Bike area of use | Racing bikes |
Fit | Slim fit |
Clothing functions | Breathable, Insulating, Water-repellent, Windproof |
Zipper type | Continuous front, Two-way, Water repellent, With windlap |
Jackets Equipment | Ventilation, thumb loops, hood |
Layer of clothing | Outer layer / weather protection layer |
Pockets | 3 back pockets |
Fabric properties | Lightweight, Small pack size |
Season | Winter |
Country of origin | China |
CO₂-Emission | |
Climate contribution |
Weight | 381 g |
How often does a product of this brand in the «Cycling jackets» category have a defect within the first 24 months?
Source: Digitec GalaxusHow 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 GalaxusHow often is a product of this brand in the «Cycling jackets» category returned?
Source: Digitec Galaxus20 products are on offer, but who will buy them at the lowest price? Only the first to bid will win.



















