Castelli Nano Flex 3G

Castelli Nano Flex 3G Castelli Nano Flex 3G
Castelli Nano Flex 3G
Castelli Nano Flex 3G

$ 43.18

Save: 25% List price: $ 57.71

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Nano Flex arm warmers for all conditions

Choose Nano Flex if you're looking for a pair of arm warmers that are great for dry days, but also provide a little extra protection in the rain.
Castelli has invented the category of thermal fabrics to protect you from water: the proprietary Nano Flex is often imitated, but never reproduced to perfection.


  • Water-repellent, thermal and breathable Nano Flex fabric.
  • Flat seams.
  • Silicone elastic on both sides.
  • For temperatures: 8°-20°C / 46°-68°F.


Nano Flex

Exclusively engineered by Castelli. They took their thermal fleecy stretch Thermoflex fabric and coat it with millions of tiny nanofilaments to create the most water-repellent fabric finish ever. Drops of water stay as spherical balls on top of the fabric or bounce off the fabric without leaving a trace.


Shorts/Jersey S-M S-M L-XL 2XL-3XL
Weight (kg) 45-60 60-70 70-80 >80
For the correct garment treatment, please follow the manufacturer's instructions.

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