Castelli Sorpasso RoS Winter Tights 2026

Made for long hours in the saddle in a wide range of weather conditions, these tights feature our ultra-stretch, warm, and water-repellent Nano Flex 3G fabric, with additional warmth provided by Nano Flex Xtra Dry on the hips and thighs, along with an anatomical cut and the seamless Progetto X2 Air chamois for long-lasting comfort.

Product features:

Nano Flex 3G fabric, our best combination of warmth, stretch, softness, and water repellency

Nano Flex Xtra Dry fabric panels on the upper front and thighs to increase thermal protection, and on the back to protect against road spray

Anatomical cut on the hips and knees

Reflective panels on the ankles for maximum visibility from behind

Flat elastic straps

YKK® Camlock® leg hem zipper

Seamless Progetto X2 Air chamois for long hours in the saddle

Technical specifications:

• Weight: 349 g
• Temperature: -2°C - 10°C / 28°F - 50°F
• Fit: Tailored

We aimed to make these tights a bit faster, better, and more comfortable. They are designed as a technical garment for cycling in the broadest range of winter conditions. The main part of the tights uses our Nano Flex 3G fabric, the third generation of our nanotechnology-treated fabric that adds a high level of water repellency without compromising breathability, stretch, or warmth. This gives you a very stretchy, compressive fit that moves with you, focusing on warmth and comfort. Then we added some Nano Flex Xtra Dry fabric panels to provide extra wind protection and make it warmer on the front panel, thighs, and back to shield against road spray. It’s not just about the fabrics: the anatomical design follows the curves of the knees and hips, while the seamless straps lie flat and keep everything in place. Our seamless Progetto X2 Air chamois makes longer rides comfortable and includes generous reflective panels to keep you visible. We designed it as the tights to wear for all your winter rides.