Accessories

Nano Flex for the ultimate warmer: warm and comfortable in dry conditions, water repellent in damp conditions, and still warm in extreme conditions.

• Solare fabric keeps the chill off without causing overheating • UPF 50+ protection • Polyester based for excellent moisture management • Double-side silicone elastic at top for excellent grip • Ankle zip for easy on/off

Choose Nano Flex for warmers that are great in dry conditions but also give some extra protection and warmth in wet conditions. We invented the category of water-protective thermal fabrics, and Castelli's proprietary Nano Flex is often imitated but never equaled. No compromises for any conditions. - Water-repellent thermal and breathable Nano Flex fabric - Flat-lock stitching with single seam - Double-sided silicone grippers to keep warmers in place - 8°-20°C / 46°-68°F - Weight: 66g

• Solare fabric keeps the chill off without causing overheating • UPF 50+ protection • Polyester based for excellent moisture management • Double-side silicone elastic at top for excellent grip