The Castelli Sorpasso RoS W Tights are designed for long hours of cycling in a wide range of conditions, offering exceptional warmth, comfort, and weather protection. Made with Nano Flex 3G fabric, these tights provide a perfect balance of warmth, stretchy compression, softness, and water repellency. The Nano Flex Xtra Dry panels on the upper front and thighs deliver additional insulation where it’s needed most. Featuring an anatomical cut for a precise fit at the hips and knees, the tights also include the Progetto X2 Air seamless seat pad for long-distance comfort. Reflective inserts enhance visibility, while YKK® Camlock® ankle zippers ensure an easy fit. Ideal for temperatures between 2°C and 12°C (36°F to 54°F), these tights weigh just 280 grams.