Castelli ALPHA 150 jacket, light black
Castelli ALPHA 150 jacket
The best jacket for cold weather. The Polartec® AirCore™ outer layer protects against wind and rain while maintaining high breathability. Polartec® Alpha™ inner layer adds insulation.The Alpha 150 jacket is made to keep you riding all winter long. Comfortably. No excuses.
We set out to create the perfect winter cycling jacket – our sole aim was to make the best jacket we could, using the best materials and innovative construction that would ensure comfort in the widest range of conditions, including cold and wet. The Alpha 150 is the result of 12 years of continuous improvement of a concept that keeps you warm and dry, indoors and out.
New for 2025, the Alpha 150 jacket now uses Castelli's exclusive Polartec® AirCore™ fabric for unmatched breathability in the wind and rain resistant category. Polartec Alpha internal insulation provides warmth while improving moisture wicking. The elastic, snug fit means you won't even feel like you're wearing a full-fledged winter jacket.
This jacket is ideal for cool, dry days, but it can withstand anything except all-day heavy rain, when you'll probably reach for a waterproof top layer. The fact that it uses recycled yarns and is PFAS-free is a bonus feature of the best winter jacket we've ever made.
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The best jacket for cold to very cold conditions
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Outer layer made from Castelli's exclusive 150g electrostatically spun Polartec® AirCore™ breathable membrane provides superior breathability
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Polartec® Alpha™ inner lining for significant insulation at extremely low weight, with excellent moisture wicking
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Two-way YKK® Vislon® zipper for easy sliding, covered for additional protection from wind and rain
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Key/money pocket with zipper on the front
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3 back pockets
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Reflective piping at the bottom of the pockets
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| Sex | Men |
| Colour | light black |
| Jacket features | insulated, windproof |
| Temperature range | -2 - 10 °C |
| Material composition | Main material: 100 % polyester Top of collar, inner collar, cuffs: 52 % polyamide, 32 % polyester, 16 % elastane Lower torso: 70 % polyamide, 30 % elastane Lining: 100 % polyester |
| product ID | 362649 |
| Size | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| Chest(cm) | 88 | 92 | 98 | 100 | 105 | 110 | 115 |
| Waist(cm) | 76 | 80 | 84 | 88 | 93 | 98 | 103 |
| Size | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| Hips (cm) | 90 | 94 | 98 | 102 | 107 | 112 | 117 |
| Inseam (cm) | 81 | 82 | 83 | 84 | 85 | 86 | 87 |
All the answers to questions about delivery, payment, security, returns, warranty and much else.

Variant Castelli ALPHA 150 bunda, svetločierna
Personally, I'm quite critical and I'm among the perfectionists and nitpickers... I went to try the jacket on in person along with other products directly at the store and I was skeptical about the salesperson's high praise. I gave it a 50:50 chance that I might return it after trying it on.
Automatically translatedI won't return it. Riding in a wind of around 10 degrees C and light rain completely convinced me. I only had one base layer under the jacket and I was completely comfortable. The clothing is extra light and evokes an almost summer feeling in motion.
At this price tag, it will be interesting to monitor the wear and tear of the product or the change in properties with repeated washing.... Time will tell.
If you have around 300 euros to spend, this jacket will make you happy.
"Jazda vo vetre okolo 10 stupňov C a ľahkom daždi ma úplne presvedčila" pri zimnej bunde od -2 do -10? Celkom som nepochopil.
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Podľa mňa je ten teplotný rozsah od mínus 2st. až do plus 10 st. (Oficiálna stránka -2°C - 10°C / 28°F - 50°F) Či?
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Presne ako Martin pise. Bunda je odporucana vyrobcom pre teploty od minus 2 do plus 10, A tak s vetrom a dazdom pocitova teplota pri plus 10 moze byt plus 5 a menej, cize presne pre taketo podmienky.
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Aha uz som pochopil, to "- 10" znamena do 10.
Translate by GoogleShow the originalVariant Castelli ALPHA 150 bunda, bordová
Mám sj starší model a jediné v čom mi novší model sadol trochu menej je ukončenie rukávov. Zrejme bude závisieť od každého inak ale mne osobne by tam ešte kúsok látky nevadilo. Bunda sedi a funguje výborne. Obojstranný zips mi vyhovuje a aj spôsob vrecka je šikovnejší ako na staršom modeli. Na starý model nenechám dopustiť a rád ich striedam, jedna vec je však (ako písali aj iní), pohyb je v nej fakt ako v letných veciach.
Translate by GoogleShow the originalVariant Castelli ALPHA 150 bunda, svetločierna
Produkt asi ok. Mne nesadol vnútorná izolácia slabá - roztrhla sa po jedinom vyskúšaní. Vrátil som, treba si dať pozor pri obliekaní veľmi, ale veľmi opatrne. Možno vadný kus. Chválim MTBIKER za prístup a ochotu riešiť problém 👍
Translate by GoogleShow the originalVariant Castelli ALPHA 150 bunda, bordová
Variant Castelli ALPHA 150 bunda, svetločierna
Variant Castelli ALPHA 150 bunda, svetločierna
Variant Castelli ALPHA 150 bunda, svetločierna