Castelli Nano Flex Evo arm warmers black - S

The Castelli Nano Flex Evo arm warmers are a thermal garment designed to protect and retain heat in cold and wet conditions.These arm warmers incorporate Nano Flex EVO technology, a Castelli innovation that offers a water-repellent thermal fabric without the use of PFAS, thereby ensuring a commitment to sustainability and health. Their main composition is a polypropylene base fabric treated with nanotechnology to provide optimal protection against bad weather, especially at temperatures between 8°C and 20°C. The fit is carefully designed to conform perfectly to the arm, ensuring comfort and functionality during use.Additionally, they feature flat seams with a single line of stitching that minimise chafing and double-sided silicone grippers to keep the arm warmers firmly in place during physical activity. Their lightweight 90-gram weight makes them ideal for prolonged use without feeling cumbersome.