Mouth guard: The Opro INSTANT CUSTOM FIT JAWS with the all-new Dual Compression Cage technology that enables unique shaping. It is the most advanced, best shaped and most comfortable protector on the market! Highest degree of protection. Solid outer layer protects from impacts, while the inner layer is ideal for shaping and total comfort while wearing, speaking, and breathing. Dual compression cage is a unique mould that allows you to shape and customize the protector to your exact needs. The Dual Compression Cage spreads the pressure evenly over the entire jaw during shaping to ensure a highly effective fit.