Castelli Thermoflex Knee Warmers

The Castelli Thermoflex knee warmers are known for boasting a wide range of useful features. The warmers are made from an extra warm and stretchy fabric which ensures a perfect fit. The proper fit and silicon grippers ensure they won't ride up or slide down during your bike ride. The bottom of the Castelli Thermoflex knee warmers are fitted with a cross-wrap cuff which offers you some extra comfort.