Castelli

Nano Flex 3G Arm Warmers

<p>Castelli's Nano Flex 3G arm warmers are warm companions for those days when it's uncomfortably cool in the morning and warm in the afternoon. They offer extra warmth and are breathable at the same time. They keep your arms at a comfortable temperature and can be easily stored in your backpack or jersey pocket in the afternoon. Thanks to their water-repellent water-repellent treatment, they are also ideal for light rain or high humidity.<br></p>