Evoshield Pro-SRZ Batters Leg Guard Gel-to-Shell Technology Air activated material that transforms the guard from a malleable gel into a customized, form fitting shield in minutes Dispersion Technology Spreads force across the surface of the guard, minimizing felt pressure on the point of impact Custom Molded Gear All Gel-to-Shell products give the player a truly customized, one-to-one fit Ergonomic Fit Each guard is designed with the form of the athletic human body in mind, giving you optimal protection exactly where you need it.