Castelli Aplha Flight RoS Black Jacket: Perfect for winter days The Castelli Alpha jacket, the most prominent model of the Castelli winter collection, is perfect for winter days. Thanks to its double-layer Alpha construction, you can regulate body temperature and ventilation according to your needs. Castelli Aplha Flight RoS Jacket: Polartec® Alpha insulation on the chest, sleeves and back protects from the cold and is highly breathable. It has a tight fit. It offers a good level of protection in light rain. The YKK® Vislon® zippers are easy to operate, and there is a non-slip waistband to keep the jacket in place. In addition to three rear pockets, the Alpha Flight RoS Rosso Corsa has a zippered side pocket. Characteristics: Jacket with front panel, sleeves and upper back made of Nano Flex Light, a fabric that offers partial wind protection while maintaining good breathability. Polartec® Alpha insulation on the chest, sleeves and back. Use of Nano Flex Extra Dry on the front panel for greater ventilation. The Alpha construction allows separate management of the two layers of the jacket, to maximize body temperature and heat dissipation. Waist with cut finishes for a perfect fit. Water repellent finishes. YKK® Vislon® zippers. 3 back pockets and a side zipper pocket. Weight: 277g (size M). Temperature Range: 6°-16°C. Protection against light rain. Windbreak.