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Castelli
Nano Flex 3G Armwarmer

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MSRP $49.99
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Ride through the seasons, or changing conditions from morning to night, with Castelli's versatile Nano Flex 3G armwarmers.

Great when it's dry and chilly but also affording extra protection and warmth against wind gusts and fall drizzles, Nano Flex warmers are easy to put on, and just as easy to take off and pack away when the weather improves.

A decade in development, Nano Flex gave birth to the category of water-protective thermal fabrics, and Castelli's proprietary and game-changing invention is often imitated but never equaled.

In non-precipitating conditions, the proprietary third-generation material is stretchy, breathable and soft thanks to its fleeced inner face. Pedal into the elements, though, and the durable surface, which is enhanced with a chemical water-repellent finish, keeps moisture grounded in the no-fly zone.

For those times when you won't accept compromises under any conditions, choose Nano Flex 3G warmers.

Features & Specs:

  • Water-repellent thermal and breathable Nano Flex fabric
  • Flat-lock stitching with single seam
  • Double-sided silicone grippers to keep warmers in place
  • Claimed weight: 66 g
SMLXL2XL3XL
Chest36¼"37¾"39½"41¼"43¼"45¼"
 
Waist31½"33"34½"36½"38½"40½"
 
Hips37"38½"40"42"44"46"
 
Inseam32¼"32.67"33"33½"33.85"34¼"