About momentum case with Tricore TPU case w/ Impact-Absorbing Technology momentum for iPhone 11 Pro is a performance shoe inspired case that uses durable, lightweight materials to protect your phone Without adding bulk. Protective layers are designed and integrated into the look of the case using the BodyGuardz Tricore protection technology. Tricore includes a patented, shock-absorbing material called unequal, a reinforced bumper with a Raised bezel, and soft but durable comfort-grip material on the back. Forward facing sound channels redirect sound from videos, eliminating the need to cup the phone in your hand. Recessed buttons are easy to find and function flawlessly with the device.