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Castelli Women

Women's Alpha ROS Jacket

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The Alpha ROS Jacket features a double layer design. The outer layer features DWR-treated Gore® Windstopper® fabric - totally windproof yet breathable and water resistant. The inner layer is made from a soft, insulating fabric that is comfortable against the skin and warm. To achieve the highest level of waterproofness possible without compromising comfort and usability, Castelli substantially reduced seaming, strategically placing them where they’re less vulnerable to water, and finally, fortified the seams by double stitching and sealing. A partially covered waterproof YKK® Vislon® zipper helps provide another line of defense against the elements.

For a cozy and close, but non-constricting fit, the Alpha ROS Jacket features a raw-edge waist that lays flat yet moves with the body. Raw-edge cuffs stay flush against the wrists to seamlessly converge with gloves. Anatomic patterning combined with supple fabrics ensure a comfortably snug fit for a wider range of body types.

Features & Specs:

  • Windproof, breathable Gore® Windstopper® 150 fabric.
  • Dual layer construction.
  • Outer wind/water protection layer
  • Inner insulating layer.
  • Minimal seaming & seam sealing.
  • Double stitching.
  • Easy-slide, partially covered waterproof YKK® Vislon® zip.
  • Flat-laying, raw-edge waist.
  • Close-to-body fit.
  • Designed to comfortably fit a wide range of body types.
  • 3 rear pockets with reflective laser-cut drain holes.
  • Weight: 399g.

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.


Sleeve Type: Long Sleeve