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Serving cyclists
since 2002
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Fiery Red - Small
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Fiery Red - Small
Castelli Womens Alpha RoS 2 Jacket
Rescue Blue
Castelli Womens Alpha RoS 2 Jacket
Castelli Womens Alpha RoS 2 Jacket
Castelli Womens Alpha RoS 2 Jacket
Castelli Women
Castelli Womens Alpha RoS 2 Jacket
Castelli Womens Alpha RoS 2 Jacket
Castelli Womens Alpha RoS 2 Jacket

Castelli Women's Alpha RoS 2 Jacket

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$369.99
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What The Perfect Winter Cycling Jacket Should Be

Castelli started with a list of things they didn't like about current jackets and set out to solve them and in the process they made their best jacket ever.

The first issue to resolve was related to moisture management. Even the best of the currently available fabrics provide a good level of breathability but can't keep up with the sweat generated during high-intensity riding.

So they invented a double-layer construction that allows you to open an outer wind-protection layer while keeping the insulation layer closed and thereby allowing airflow inside the jacket to evacuate moisture while avoiding direct contact with the skin.

On a long climb, you can unzip the outer layer to allow moisture to escape, and when the descent starts, you close the outer layer and are completely dry inside. It works so well that sometimes it feels like magic.

Next they focused on the openings: neck, waist, and, most of all, wrists.

The neck comes up high and is shaped to move with you, whether you're standing or in an aero position being a January hero and attacking your mates. For the waist they created a stretch layer with a silicone bead that lies flat and completely seals out wind without bunching or riding up.

At the wrists, you'll find a double-layer wrist opening: the inner layer lies under your glove and holds tight to your wrist, while the outer layer sits over your glove so that any rain will roll down the outside of the glove and not end up inside.

To ensure the Alpha RoS 2 holds up well in wet conditions, Castelli employed GORE-TEX INFINIUM™ WINDSTOPPER® fabric along with waterproof seam taping on critical seams around the shoulder. Other seams are hidden out of direct water flow, and the water-repellent treatment on the fabric is sufficient to prevent most moisture from entering. They call it essentially waterproof, using their own subjective judgment to strike a balance between water protection, breathability, and comfort. It doesn't mean that no drop will ever come in, but if you do longish rides in real rain, you will stay dry.

With a fresh update in its third generation, this jacket leads the way in demonstrating how a winter jacket should perform.


Features:

  • Castelli's ultimate jacket, bringing warmth, breathability and a high level of rain protection along with a soft, comfortable fit.
  • Rain or Shine engineering makes this Castelli's best jacket ever for dry conditions while also providing significant rain protection
  • GORE-TEX INFINIUM™ WINDSTOPPER® 150 fabric for wind protection with high breathability and effective rain protection
  • Reduced seaming with seam sealing on shoulders reduces chances for water to enter through stitching
  • Double-layer Alpha construction separates insulating layer from wind/water barrier to let you better regulate ventilation
  • Water-resistant YKK® Vislon® zipper slides easily for better regulation of airflow
  • Raw-edge waist with silicone gripper lies flat and seals out wind
  • Double-layer cuff integrates with glove to prevent cold wind or water from entering at wrist
  • Stretch fabrics with advanced patterning make for excellent close-to-body fit that still accommodates a wide range of body types
  • Back ventilation
  • 3 rear pockets with reflective laser-cut drain holes
  • Zippered secure side pocket for valuables
  • -5°-10 °C / 23°-50°F
  • Weight:454 g
    • Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for US customers 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.

Sleeve Type: Long Sleeve 

Rescue Blue - Small

Mfg PartNum: B20553054-2 

Rescue Blue - Medium

Mfg PartNum: B20553054-3 

Rescue Blue - Large

Mfg PartNum: B20553054-4 

Fiery Red - Small

Mfg PartNum: B20553656-2 

Fiery Red - Medium

Mfg PartNum: B20553656-3 

Fiery Red - Large

Mfg PartNum: B20553656-4 

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*Orders received before 3:00PM Pacific time are shipped the same day (Mon-Sat). Orders over $50 are shipped free (USA only, excluding AK and HI). Some exceptions apply. See Shipping for details. 07