Molded to harden when exposed to air. High Gold Custom Fit Gear Elvogue Elvogue is a molded hitter armor that conforms to the shape of your arms and feet. After opening, it is soft enough to deform, so it can be fixed in place with the attached connecting bands and bandages attached to your arms and legs. It hardens by touching air to complete your own protector! The thin and lightweight material makes it a revolutionary protective gear that can be used safely and comfortably without compromising your players performance! Suitable for high school baseball