The PK 7900 is the high-performance skate for very advanced and demanding ice hockey players – a skate for real rebels and the top model of the PK line from Graf. Bring absolute JetSpeed to the ice. The 3D High Tech Carbon Composite material offers high lateral stability and perfect shape comfort for a direct feeling for movement. The ankles are also perfectly protected by light memory foam ankle pads. The PK7900 features a changeable Tuuk high-tech skid system for a perfect curve radius and even faster edge changes. Outer Material Outer material 3D High Tech Carbon Composite with high lateral stability and perfect shape Comfort lining material 2 piece lining material Clarino for best comfort, performance lining quick-drying ankle pads made of light memory foam, additionally with poron for perfect protection tongue Flex Pro tongue, 7mm felt with adapted inlay and side composite material for best comfort tendon protection Surlyn (flex technology made of microfibre and Surlyn) footbed Powerfeet (Thermoformbar) Thermoformbar Yes outsole Carbon Skid Holder Tuuk Lightspeed Edge Skid Tuuk Lightspeed Edege