Nanoflex Plus, the water repellent knee warmers by Castelli. These knee warmers are made of innovative Nanoflex material. Rain just drips off this material. It has soft fleece lining and compared to its predecessor a more comfortable fit. The panels are different so the fabric is not annoying in the back of the knee.
These knee warmers are perfect when the weather is unpredictable. They are easy to put on and off during rides. It allows you to wear your normal shorts even when it is cold.