Check the listing for details. Deroyal Open Patella Knee Support. Condition: New. Listed at 21.49 USD. Deroyal Open Patella Knee Support DeRoyal DeRoyal 1/8” neoprene construction provides warmth, compression and support. Open patella for patient comfort Quantity: 1 Color: Black Indiactions: Grade I collateral ligament sprain; Knee sprains and strains; Osteoarthritis; Mild joint effusion; Baker’s cyst; Bursitis; Tendonitis Deroyal Open Patella Knee Support- 1/8" neoprene construction provides warmth, compression and support. Open patella for patient comfort Quantity: 1 Size: X-Small, Small, Medium, Large, X-Large, XX-Large, 3X-Large or 4X-Large Color: Black Material: With or Without Pad Manufacturer: Deroyal Indiactions: Grade I collateral ligament sprain; Knee sprains and strains; Osteoarthritis; Mild joint effusion; Baker's cyst; Bursitis; Tendonitis Options: With Pad X-Small (NE7702-01) UPC: 749756074926 Small (NE7702-02) UPC: 749756074940 Medium (NE7702-03) UPC: 749756074964 Large (NE7702-04) UPC: 749756074988 X-Large (NE7702-05) UPC: 749756074995 XX-Large (NE7702-06) UPC: 749756075008 3X-Large (NE7702-07) UPC: 749756075015 4X-Large (NE7702-08) UPC: 749756075022 Without Pad X-Small (NE7702-71) UPC: 749756116169 Small (NE7702-72) UPC: 749756116206 Medium (NE7702-73) UPC: 749756116244 Large (NE7702-74) UPC: 49756116275 X-Large (NE7702-75) UPC: 749756116299 XX-Large (NE7702-76) UPC: 749756116329 3X-Large (NE7702-77) UPC: 749756151061 Sizing Guide: Measure circumference 6" above mid-patella X-Small: 13.5" - 15.5" Small: 15.5" - 18" Medium: 18" - 20.5" Large: 20.5" - 23" X-Large: 23" - 25.5" XX-Large: 25.5" - 28" 3X-Large: 28" - 30.5" 4X-Large: 30.5" - 33"