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Description
The Ultimate Winter Jacket
The Castelli Men's Alpha 150 Jacket is made so you can ride all winter long. Comfortably. No excuses. They set out to make the ultimate winter riding jacket featuring the best fabrics and innovative construction, and ensuring comfort in the widest range of conditions, including cold and wet.
The Alpha 150 is the result of 12 years of continual refinement of a concept to keep you warm and dry, both inside and out. New for 2025, the Alpha 150 Jacket now uses Castell's exclusive Polartec® AirCore™ fabric for unmatched breathability in a windproof and rainproof fabric. On the inside, Polartec's Alpha insulation provides warmth while enhancing moisture management. The stretchy close-to-body fit means you don't feel like you have a full winter jacket on.
This jacket is ideal for cold, dry days yet can stand up to everything except all-day driving rain, when you'll probably reach for a rain shell. The fact that it uses recycled yarns and is PFAS-free is a bonus feature of the best winter jacket to bear the name of Castelli.
Features:
- Outer layer made from Castelli's exclusive 150 g Polartec® AirCore™ electrospun air-permeable membrane gives industry-leading breathability
- Polartec® Alpha™ inner liner for significant insulation at extremely light weight with excellent moisture management
- Top- and bottom-opening YKK® Vislon® zipper for easy sliding, covered for additional wind and rain protection
- Zippered key/money pocket on front side plus 3 rear pockets
- Reflective piping at bottom of pockets
- 2-10 °C / 28-50 °F
Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for continental US customers (not applicable for AK, HI, APO, FPO) if you need a different size and/or color of this product. Returned product must be in new condition with all labels and packaging. Free exchanges apply only for product in stock or available for backorder.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Size Chart
S | M | L | XL | 2XL | 3XL | |
Chest | 36¼" | 37¾" | 39½" | 41¼" | 43¼" | 45¼" |
Waist | 31½" | 33" | 34½" | 36½" | 38½" | 40½" |
Hips | 37" | 38½" | 40" | 42" | 44" | 46" |
Inseam | 32¼" | 32.67" | 33" | 33½" | 33.85" | 34¼" |
Specifications
Brilliant Orange/Dark Grey - Medium | Mfg PartNum: B4525502034-3 |
Brilliant Orange/Dark Grey - Large | Mfg PartNum: B4525502034-4 |
Brilliant Orange/Dark Grey - X-Large | Mfg PartNum: B4525502034-5 |
Brilliant Orange/Dark Grey - 2X-Large | Mfg PartNum: B4525502034-6 |
Light Black/Black - Small | Mfg PartNum: B4525502085-2 |
Light Black/Black - Medium | Mfg PartNum: B4525502085-3 |
Light Black/Black - Large | Mfg PartNum: B4525502085-4 |
Light Black/Black - X-Large | Mfg PartNum: B4525502085-5 |
Light Black/Black - 2X-Large | Mfg PartNum: B4525502085-6 |
Mango Mojito/Black - Small | Mfg PartNum: B4525502712-2 |
Mango Mojito/Black - Medium | Mfg PartNum: B4525502712-3 |
Mango Mojito/Black - Large | Mfg PartNum: B4525502712-4 |
Mango Mojito/Black - X-Large | Mfg PartNum: B4525502712-5 |
Mango Mojito/Black - 2X-Large | Mfg PartNum: B4525502712-6 |

