LEATT offers you its Z-FRAME ORTHESIS:

Design:

• Injection-molded composite chassis
• Slim hinges for a superior motorcycle feel
• Aluminum hinge cover for rigidity and endurance

The "+":

• Reduced effort to limit knee injuries
• Low-profile shin pad for excellent fit
• Comfortable, easy-to-install strap system
• Custom fit with interchangeable hinge pad sizes
  
• Comfortable design for use with all types of boots
• Sold in pairs
• Set of leg braces for Leatt orthosis included
  

Approved for medical use:

• EU CA014741
• USA FDA 10048761