The Castelli Men's Alpha Flight RoS Jacket is their best jacket for mild conditions. This lightweight, super-breathable, and extremely fast jacket is great for high-intensity rides or staying at the right temperature in cool conditions. The magic comes from Alpha construction with membraneless outer layer and Polartec® Alpha inner insulation.
This is the jacket for going fast on cold days or being perfectly dressed on cool days. Alpha double-layer construction is the core of what makes this jacket work so that you can be in full flight mode when the season starts. The stretch woven fabric lets a small amount of air in to keep you from getting too sweaty during those efforts on colder days, because if you get wet you get cold. The Polartec® Alpha second layer insulates while still providing plenty of breathability, and it's so light the jacket has hardly any bulk to it. The back is made from Nano Flex Extra Dry fabric, which provides a good level of insulation yet has no membrane so allows for ample amounts of sweat to escape. The fit is close to body so there is no fabric flapping around, while the little details make the difference: easy-sliding YKK® zippers, reflective drain holes on the pockets, a lie-flat silicone gripper band around the waist. The close fit makes this Castelli's most aerodynamic jacket as well. Not that aerodynamics are terribly important in the winter, but hey, Fast Is Fun!
Returns: Openbox, B-Stock, and Closeout products can be returned within 60 days for store credit.
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.
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| 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" |
Sleeve Type: Long Sleeve | |
Tarmac/Clay-Silver Gray - Medium | Mfg PartNum: B4523506304-3 |
Tarmac/Clay-Silver Gray - Large | Mfg PartNum: B4523506304-4 |
Tarmac/Clay-Silver Gray - X-Large | Mfg PartNum: B4523506304-5 |
Tarmac/Clay-Silver Gray - 2X-Large | Mfg PartNum: B4523506304-6 |
Sulphur/Nickel Gray-Dark Gray - Small | Mfg PartNum: B4523506776-2 |
Sulphur/Nickel Gray-Dark Gray - Medium | Mfg PartNum: B4523506776-3 |
Sulphur/Nickel Gray-Dark Gray - Large | Mfg PartNum: B4523506776-4 |
Sulphur/Nickel Gray-Dark Gray - X-Large | Mfg PartNum: B4523506776-5 |
Sulphur/Nickel Gray-Dark Gray - 2X-Large | Mfg PartNum: B4523506776-6 |
This jacket is undersold by Castelli as for moderate conditions. A close competitor to Rapha's pro team insulated jacket, and even more expensive, it earns its keep with an elastic, breathable outer layer which not only makes this jacket more comfortable it also affords much better protection against the elements. The Rapha outer has no stretch, which along with a super tight fit makes it very tricky to avoid damaging it when taking it off and on. Of course both jackets have polartec alpha insulation which is brilliant for providing warmth while shedding moisture. Both jackets can go much lower in temperature than you would expect from the weight of these garments, but the Rapha is really for only dry conditions. So the Castelli costs more but is worth it due to the better shell.
