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    Castelli Nano Flex 3G Arm Warmer

    $64.00 $80.00
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    NANO FLEX ALL-CONDITION WARMERS. 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.

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