Avoid broken or bruised ribs with the POC VPD System Chest Protector. With unimpeded freedom of movement and a fully adjustable fit, this is smart body armor that can be worn under or over a jersey. Combined with the POC VPD System Back protector, you're ready for the heaviest trails you can find. Again: not only can your riding season be toast by breaking a rib, but you may find yourself unable to laugh, sneeze, or sleep. Do the math!