EVS Epic Knee/Shin Guards-L/XL Sizing Information: Small/Medium Under 5'6" Large/X-Large 5'6" + Flex Frame Technology: Upper and lower cuffs contours around the leg for a custom fit and feel. Floating Patella System: Patella cup floats over the knee for maximum protection. Full Flex Hinges: Durable hinges with full flexing construction. Quick Adjustment: Strapping system adjustable strapping system for various leg diameters.