the Challenger ATR 6’s outsole delivers smooth transitions from one surface to another

fully heat-taped 100% wind & waterproof

You can confidently do longer rides in conditions that you would have avoided with all your old jackets

Frixion Red

castelli nano flex 3g armwarmer MONPIZ the Challenger ATR 6’s outsoleChoose 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. PRODUCT FEATURES Water repellent thermal and breathable Nano Flex fabric Flat lock stitching with single seam Double sided silicone grippers to keep warmers