SPRING PARK mouthguard features a high-density structure, offering both softness and firmness. It uses a heating snap-in design that molds perfectly to the shape of the user's teeth, extending to the rear molars for full protection. The groove adjusts to the surface of the teeth, ensuring comfortable breathing during intense activity without compromising on protection. Ideal for boxing, kicking, taekwondo, firefighting, Jiu-Jitsu, and other strenuous exercises.