Castelli Alpha Ros Light Gore-tex Infinium™ Windstopper® Jacket. The Castelli Alpha RoS Light jacket is your ultimate companion for mild conditions. Featuring GORE-TEX INFINIUM™ WINDSTOPPER® on the front and sleeves, it offers exceptional wind protection with superior breathability and water repellency, keeping you dry from mist and light rain. The Nano Flex Xtra Dry back fabric enhances ventilation, allowing heat and sweat to escape while shedding water. Its unique Alpha double-layer construction and ProSecco Strada inner layer provide adjustable insulation and moisture management. With a close fit, double YKK® zippers, secure side pocket, three rear pockets with reflective details, and a lie-flat raw-edge waist, this versatile jacket ensures you dress perfectly for cool rides, avoiding the extremes of overheating or chilling. A true Castelli staff favorite, designed for comfort and performance. Castelli´s best jacket for mild conditions, with front wind protection, light insulation, maximum breathability, and water repellency to keep you dry in mist, light rain or spray from wet roads.This is a Castelli staff favorite thanks to the wide temperature range, fit and versatility.Features:GORE-TEX INFINIUM™ WINDSTOPPER® 150 fabric on front and sleeves for wind protection with high breathability and effective rain protection.Nano Flex Xtra Dry on back for more ventilation allows heat and sweat to escape while shedding rain thanks to a nanotechnology water-repellent finish.Alpha double-layer construction separates windproof layer from insulation layer, allowing better ventilation management.Inner layer in ProSecco Strada for lightweight insulation with effective moisture management.Double YKK® Vislon® front zippers.Zippered secure side pocket for valuables.3 rear pockets with reflective laser-cut drain holes.Raw-edge waist lies flat and moves with you.This jacket is about the art of dressing just right for cool conditions.We´re talking about those days when you need some protection from the cool air but not enough to bring out the winter jacket.Overdress and you´ll be sweating and get cold because you´re wet.Underdress and you never fully warm up to enjoy the ride.The concepts behind the construction are fairly simple:wind protection on front-facing surfaces, highly breathable fabrics on back-facing surfaces, and all-around water repellency in case you get a few drops of rain.But what makes this jacket spectacular is how we executed these simple concepts.The wind protection comes from our GORE-TEX INFINIUM™ WINDSTOPPER® lightweight two-way-stretch fabric that moves with you while being so light you´ll hardly notice it´s there.This light wind layer is backed by a separate ProSecco Strada inner layer with a separate zip that can be opened independently for perfect ventilation control.The back is made from our Nano Flex Xtra Dry fabric that 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.All these features are why this jacket is consistently named a favorite among Castelli staffers.We think it will be one of your favorites too. tradeinn Bikeinn