TWG X is the ultimate in protection and performance. TWG's sleek design allows for better comfort, speech and airway exchange. The one of a kind self-aligning system allows for a better fit, inches custom feel inches and correct jaw positioning in the TMJ complex. Correct jaw positioning allows for protection against tooth injury and jaw fracture . Proper jaw positioning also allows for better spinal alignment and unlocks the athlete's true performance by increasing balance, agility, strength and stamina.