Castelli Nano Flex 3G Knee Warmers are the "best of breed" in the knee warmer category, with Castelli's proprietary Nano Flex fabric for warmth and comfort in any weather.
Water-repellent thermal and breathable Nano Flex fabric
Flat-lock stitching with single seam
Double-sided silicone grippers to keep warmers in place
12°-20°C / 54°-68°F
Weight: 89 g