By taking the super protective VPD technology and combining it with the type of lightweight flexibility that can be found in the VPD Air Guards, the POC Joint VPD System Elbow Guard really does seem to offer the perfect balance between protection and moveability. Using a flexible 2-ply protective VPD material means that you can feel secure in the thought that your elbows will have serious shock absorbing defense against injury in the case of a crash. Since it warms to your body and molds to your shape as a result, it is nevertheless a very flexible setup that then hardens immediately on impact. A ventilation system has been constructed between each layer that prevents the buildup of moisture, and allows your body to breathe. You won’t feel like you’re cooking in your own juices, even on hot, humid days.