Castelli Tutto Nano JerseyThe Castelli Tutto Nano RoS Rosso Corsa Long Sleeve Jersey is designed to keep your leather warm during autumn rides. Thanks to the Nano Flex 3G fabric, it is a stretch fit garment. In addition, a water-repellent nanotechnology treatment has been applied to the garment. CharacteristicNano Flex 3G fabric features a warm brushed fleece interior with 20% elastane for stretch and Castelli's exclusive Nano Flex water-repellent treatment Reflective stripes on the shoulders and on the lower back 3 pockets on the back YKK® Vislon® zipper Embossed wordmark