Castelli Nano Flex 3G Armwarmer

Castelli Nano Flex 3G Armwarmers are great in dry conditions but also give some extra protection and warmth in wet conditions. Castelli invented the category of water-protective thermal fabrics, and Castelli's proprietary Nano Flex is often imitated but never equalled.

No compromises for any conditions.

In stock


  • Water-repellent thermal and breathable Nano Flex fabric.
  • Flat-lock stitching with single seam.
  • Double-sided silicone grippers to keep warmers in place.
  • Perfect for any condition, Castelli recommendation 8°-20°C.
  • Weight: 66g
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