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Castelli
Nano Flex+ Arm Warmer

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Nano Flex+ Arm Warmer

A bright, brisk fall or spring day can turn drizzly in a flash and leave standard arm warmers damp, chilly, and certainly not doing their job to keep you warm. That is, unless you have a pair of Nano Flex+ Arm Warmers. Made from Castelli's proprietary, drizzle-blocking Nanoflex fabric, these warmers keep you comfy even when the weather goes south.


Nano Flex starts its life as Castelli's super-warm and ultra-stretchy Thermoflex fabric, used in many of its winter pieces, and then gains and outer coating of tiny nanofilaments of silicone fiber. These fibers create a near waterproof barrier to moisture, and raindrops run off the fabric without soaking through. Despite its water-resistant finish, Nano Flex fabric remains highly breathable, keeping you comfortable in almost any conditions.


Across the back, Castelli utilizes a panel of its lighter Nano Light fabric to increase stretchiness around your elbow for full freedom of motion and comfort no matter how many miles are on the schedule.


Details

  • Water-resistant warmth for your arms
  • Soft, brushed lining protects against the chill
  • Silicone grip holds hems in place
  • Item #CST00EF
Material
[front] Nano Flex, [rear] Nano Light, DWR treatment
Fit
form-fitting
Claimed Weight
(pair) 69 g
Recommended Use
cycling
Manufacturer Warranty
1 year

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