Castelli Alpha Ultimate Insulated Jacket

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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.

Key features:

Fully windproof, effectively waterproof in normal riding conditions

With a protective outer made from waterproof Polartec® NeoShell® 4-way stretch fabric

Inner formed from warm, breathable Polartec® Alpha® insulation

The two layers have separate double-opening zips, so you can open one, both or neither to regulate the ventilation and temperature

External seam taping for near waterproof status, while no-sew bonded hem seals out wind

Anatomically shaped cuff integrates with gloves

3 rear pockets, secure zippered side pocket

Reflective areas at lower back, shoulders and around wrists

Weighs 371g (large size)

For use at temperatures from -5-12?C, 23-54?F

Colours Dark Grey/Black/Dark Grey, Military Green/Black/Electric Lime, Savile Blue/Silver Reflex/Steel Blue
Sizes 2XL, 3XL, L, M, S, XL, XS
Brand Castelli
Model Year 2022
Barcodes 8050949706817, 8050949728567, 8050949728574, 8050949728581, 8050949728598, 8050949728604, 8050949728611, 8050949728628, 8050949728635, 8050949728642, 8050949728659, 8050949728666, 8050949728673, 8050949728680, 8050949728727, 8050949728734, 8050949728741, 8050949728758
SKUs / Part Numbers CS225070301, CS225070302, CS225070303, CS225070304, CS225070305, CS225070306, CS225070307, CS225070751, CS225070752, CS225070753, CS225070754, CS225070755, CS225070756, CS225070757, CS225074144, CS225074145, CS225074146, CS225074147

Please note: Manufacturers can sometimes change the specification of the products from time to time.