TruMotion 3.0 Hinge mimics the knee's natural flexion and extension allowing the brace to flex on the same 2 axes as the knee joint Floating Knee Cup System is a self positioning CE Certified HEX Pro Impact Technology floating knee cup Rapid Lock System is a quick release, easy on/off closure system with the press of a button Flex Wings provide a snug, pressure-free fit that stays securely in place Trac Grip strategically positioned high traction silicone on the liner Lightweight aerospace grade 12K Carbon Fiber Frame CE Impact tested and certified - Level 1 (1621:1) Performance Bio-Foam Liner 4-Point Strapping System table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Air Freight Prohibited: false Not Carb Approved: false Ltl Freight Required: false Prop 65: Unknown Part Type: powersports Epa: N/A Carb Acknowledgement Required: false Regular Stock: false Clearance Item: t