The new Synergy ST4 shin guards are fully ventilated to allow maximum air flow through the shell and liner. The ergonomic design allows for the shin and the knee to sit deeper providing a more comfortable fit while the knee cap provides greater lateral support locking the knee into the proper position. Easton's extended calf wrap covers the entire back of the calf from impacts. Stretchable two strap design holds the pads secure and a tape line just below the knee allows for a more efficient fit.