Knee and shin caps, redesigned for 2011 Anatomically shaped, vented, lightweight pro-level protection Hyperlock kneecap system to eliminate hyperextension Ribbed high-density foam side-calf protection Vented shell, trampoline and liner on shin and cap Sling Wrap strap system secures snug fit without pinching or chafing Removable two-piece Silver Shield lining wicks moisture and controls odor