The joint vpd 20 shin guards are a lightweight flexible defence against rock strikes slipped pedals and other objects found on varied terrainthe protection is from a sculpted piece of perforated of vpd 20 vpd 20 offers excellent levels of impact absorption and also adapts to suit the individual rider for an individual fit it goes from soft to hard on impact to dissipate the impact forces so you do not have to compromise on comfort to get top level protection it is perforated to offer ex