Check the listing for details. PRO-TEC ATHLETICS Open Patella Knee Sleeve Compression Support Brace. Color: Black, Condition: New. Listed at 14.95 USD. PROT-OPKNEE-2XLPurchasePrice4.55StorageLocationPROT-OPKNEE-LGPurchasePrice4.55StorageLocationPROT-OPKNEE-MEDPurchasePrice4.55StorageLocationPROT-OPKNEE-SMPurchasePrice4.55StorageLocationPROT-OPKNEE-XLPurchasePrice4.55StorageLocation --> PRO-TEC ATHLETICS KNEE SLEEVE OPEN PATELLA The Pro-tec Athletics Knee Sleeve with Open Patella is designed to alleviate moderate conditions of general knee pain. Can aid conditions of arthritis and moderate to mild patello-femoral pain. Provides therapeutic warmth, compression and support to the knee joint area. Contoured design provides snug fit to maximize support. SIZING: Circumference measured just above patella SIZE MEASUREMENT IN INCHES SMALL 13 - 14 MEDIUM 14 - 16 LARGE 16 - 18 X-LARGE 18 - 20 2X-LARGE 20 - 22