Castelli Nanoflex 3G Knee Warmer

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NANO FLEX ALL-CONDITION WARMERS The Castelli Nanoflex 3G Knee Warmer are great in dry conditions but also give some extra protection and warmth in wet conditions. We invented the c ategory 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 Weight:89 g Temperature Range: 12°-20°C / 54°-68°F Show more