The POC Bone VPD Leg Pads are a knee/shin guard with shields made of sturdy polypropylene and the inside of highly ventilated comfort lining. The top piece protecting your knee is made of VPD.
Fit and mobility is crucial, without sacrificing protection. The Bone VPD Leg comes with a detachable calf protector. The most common advice with body armour is to buy it 'before' you 'need' it, rather than 'after' you 'needed' it.