About the castelli nano flex arm warmer castelli advise that their nano flex warmers are great in dry conditions but also give some extra protection and warmth in wet conditions'. '.strtoupper('c')astelli invented the category of water protective thermal...

Introducing nano flex xtra dry fabric'. '.strtoupper('e')ight years have passed since castelli pioneered nanotechnology coatings in cycling clothing to provide a higher level of water protection without sacrificing breathability or stretch'. '.strtoupper('t')hey...

About the castelli nano flex kneewarmer choose nano flex for warmers that are great in cool, dry conditions, such as for those in between days when there is likely to be a large enough fluctuation in temperature or effort to require warmers that can be...