Its 3D lasted 12K Carbon Curv composite boot with a unibody sole stiffens the lower portion of the boot – helping you get the most energy out of every push. The new AMP FLEX facing and reflex tendon work together to provide even more flex so you gain a more powerful stride to attack the puck stronger. Experience power on a whole new level with the most advanced Supreme skate ever designed. KEY FEATURES 3D Lasted 12K Carbon Curv composite boot makes the skate lightweight, supportive, & thermoformable. AMP (active motion performance) FLEX Facing gives the upper portion of the skate more forward flex giving you a stronger stride. Choose Your Steel Performance lets you dial in the perfect steel option based on your specific style of play. POWERCOIL Tongue features an improved insert for faster recoil speed that helps explode into each stride.