The Castelli Damping System was designed and engineered to address a common problem many riders suffer from: discomfort and occasional numbness in the hands associated with extended periods of time gripping the handlebar.We carefully mapped key parts of the hand in order to create optimal protection from steady road vibrations. The result is our unique palm construction that features a combination of protective materials and cushioning foams.The Castelli Damping System is applied across many styles in our glove collection and provides outstanding control and comfort during training or racing.Product features: Castelli Damping System (CDS) Engineered mesh back of hand for improved breathability Easy-off pull tab Silicone-printed palm for grip Weight: 64 g