SKU: 4840576100

Castelli Alpha Ultimate Insulated Jacket in Military Green/Black/Lime

Sale price$175.50 Regular price$195.00
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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8

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Description

Castelli Alpha Ultimate Insulated Jacket in Military Green/Black/LimeThe new Castelli Alpha Ultimate Insulated Jacket takes the brand's hugely well reviewed Alpha RoS 2 cycling jacket and makes it 30% lighter, stretchier and even more comfortable to wear, while retaining the same levels of warmth, breathability and protection. This change has been brought about by altering the fabric makeup, so the jacket now has a highly flexible, waterproof yet breathable outer made from Polartec NeoShell, which remains separate from

The new Castelli Alpha Ultimate Insulated Jacket takes the brand's hugely well-reviewed Alpha RoS 2 cycling jacket and makes it 30% lighter, stretchier and even more comfortable to wear, while retaining the same levels of warmth, breathability and protection.This change has been brought about by altering the fabric makeup, so the jacket now has a highly flexible, waterproof yet breathable outer made from Polartec® NeoShell®, which remains separate from the equally airy Polartec® Alpha® insulation at the front of the jacket.So, if you want protection from the rain on a warm day, you can zip up the outer and leave the inner open; for a bit of insulation on a dry day, you can zip the inner and leave the outer open; when you're hot and sweaty after a climb you can vent both layers; or, when it's plain horrible out, you can zip them both up. Whatever winter conditions you're facing, including temperatures down to -5°C, this jacket can cope with them.Effectively waterproof seam taping at the shoulders, a flat lying hem that seals out the wind, and cuffs that integrate with your gloves to stop wind and water from entering all help to make this jacket warmer than its weight would suggest, while being impressively waterproof and letting sweat escape. Ample storage in the form of three rear pockets and a zipped side pocket rounds out a weatherproof jacket that's hard to beat in terms of versatility and comfort.Features:Fully windproof, effectively waterproof in normal riding conditionsWith a protective outer made from waterproof Polartec® NeoShell® 4-way stretch fabricInner formed from warm, breathable Polartec® Alpha® insulationThe two layers have separate double-opening zips, so you can open one, both or neither to regulate the ventilation and temperatureExternal seam taping for near waterproof status, while no-sew bonded hem seals out windAnatomically shaped cuff integrates with gloves3 rear pockets, secure zippered side pocketReflective areas at lower back, shoulders and around wristsWeighs 371g (large size)For use at temperatures from -5-12°C, 23-54°F

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Exchange/Return Notes
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SKU: 4840576100

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4.0 ★★★★★
Based on 12 reviews
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Lyle Miller
Omaha, US
★★★★★ 1
Wron Size Shipped Twice
Color: White, Size: Large
I ordered a large twice. 1st delivery was an XL, two sizes too large. The second reorder was an L, and fit like a medium. They can't get the order siz right.
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Reviewed in the United States on May 7, 2026
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Claude Cooper
Whiting, US
★★★★★ 5
Excellent shirt!
Color: Chive, Size: Large
Excellent shirt! Comfortable and looks great! True to size, and light weight.
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Reviewed in the United States on March 22, 2026
J
Verified Purchase
Jose canales
Fort Morgan, US
★★★★★ 5
Very good
Color: White, Size: XX-Large
Very good quality very good Appearance fit very good very comfortable and very durability very good material and versatility appearence very very good
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Reviewed in the United States on June 2, 2026
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Verified Purchase
Tori Gav
Belleville, US
★★★★★ 5
Fiancé Approved
Color: Royal Blue, Size: Medium
Perfect for my fiancé's new job. He said it's fit is true to size and it is more comfortable than the one he got at a store in the mall.
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Reviewed in the United States on April 24, 2026
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Verified Purchase
Sharon
Cuba, US
★★★★★ 4
Order a size larger than usual.
Color: Light Blue, Size: X-Large
They tend to run small. My husband usually wears a large and I ordered an extra large and was glad I did!! They wash and dry beautifully!!
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Reviewed in the United States on May 9, 2026

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