Molded to harden when exposed to air. High Gold Custom Fit Gear Elbogue Elbogue is a molded hitter armor that fits the shape of your arms and feet. It is soft enough to deformate immediately after opening, so you can fix it in place with the connecting band that comes with your arms and feet. By touching the air, it hardens and completes your own protector! Made with thin and lightweight materials, this revolutionary armor is safe and comfortable to use without compromising players performance. High School Baseball