Thermoflex 2 Arm Warmers

Castelli Thermoflex 2 Arm Warmers Thermoflex 2 fabric makes these Castelli Arm Warmers soft against the skin, exceptionally warm yet highly breathable. Minimal seams reduce the chance of irritation and, along with high stretch, ensure there are no restrictions to movement. Small enough to be folded down and stored in a pocket, you can carry them with you whenever you may require extra protection.