• Castelli Nanoflex Kneewarmer

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Castelli Nanoflex Kneewarmer

We always strive for total performance and total innovation, but sometimes we surprise ourselves. This NanoFlex fabric behaves just like our Thermoflex fabric in dry conditions, but then provides unbelievable water repellency when it starts raining.

We don’t claim that it’s fully waterproof, but it’s the most effective thing we’ve ever made for keeping you comfortable in all conditions. It’s just barely short of a miracle.

Just try and rain on our parade. Go ahead, we dare ya. Castelli's revolutionary new NanoFlex material enables cyclists to not only experience weather, but to at times DEFY it. These arm warmers not only provide full thermal protection in dry conditions, but actually repel water when it starts raining. Droplets form, bead and run off the fabric's exterior, rather then permeating the membrane and soaking the flesh within.

Castelli Nanoflex Kneewarmer Features:

  • Water -resistant NanoFlex fabric
  • Same breat hability, stretch and warmth as our standard Thermoflex warmers
  • Great in every possible condition

Buy Castelli Nanoflex Kneewarmer from Chain Reaction Cycles, the worlds largest online bicycle store.

  • Delivery costFREE
  • Delivery toUSA
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
  • Pay by PayPal, Bank Transfer or Card


Buying Guide

  • We've got everything you need to know in our buying guide.