Check the listing for details. DeRoyal Full Length Patella Stabilizer, Neoprene or Tri-Tex Material. Condition: New. Listed at 49.99 USD. DeRoyal Full Length Patella Stabilizer, Neoprene or Tri-Tex Material DeRoyal DeRoyal 1484020X 1/8in neoprene construction provides warmth, compression and support. Also available in breathable Tri-tex material. Full-length design for maximum support and compression. Unique strapping system helps pull patella into desired position. Horseshoe-shaped pad can be placed on medial or lateral side of patella. Medial and lateral hinges for additional ligament support (Tri-tex only). Indications: Medial or lateral patellar subluxation; Chondromalacia; Patellofemoral tracking dysfunction. 1/8 in neoprene construction provides warmth, compression and support. Also available in breathable Tri-tex material. Full-length design for maximum support and compression. Unique strapping system helps pull patella into desired position. Horseshoe-shaped pad can be placed on medial or lateral side of patella. Medial and lateral hinges for additional ligament support (Tri-tex only). Quantity: 1 Size: X-Small, Small, Medium, Large, X-Large, or 2X-Large Right or Left Manufacturer: DeRoyal Indications: Medial or lateral patellar subluxation; Chondromalacia; Patellofemoral tracking dysfunction. Options: Neoprene Right X-Small (NEP779371R) UPC: 749756249454 Small (NEP779372R) UPC: 749756249461 Medium (NEP779373R) UPC: 749756249478 Large (NEP779374R) UPC: 749756249485 X-Large (NEP779375R) UPC: 749756249492 2X-Large (NEP779376R) UPC: 749756249508 Neoprene Left X-Small (NEP779371L) UPC: 749756249393 Small (NEP779372L) UPC: 749756249409 Medium (NEP779373L) UPC: 749756249416 Large (NEP779374L) UPC: 749756249423 X-Large (NEP779375L) UPC: 749756249430 2X-Large (NEP779376L) UPC: 749756249447 Tri-Tex Right X-Small (14840204) UPC: 749756275224 Small (14840205) UPC: 749756275231 Medium (14840206) UPC: 749756275248 Large (14840207) UPC: 749756275255 X-Large (14840208) UPC: 749756275262 2X-Large (14840209) UPC: 749756274630 Tri-Tex Left X-Small (14840104) UPC: 749756275163 Small (14840105) UPC: 749756275170 Medium (14840106) UPC: 749756275187 Large (14840107) UPC: 749756275194 X-Large (14840108) UPC: 749756275200 2X-Large (14840109) UPC: 749756275217 Sizing Guide: Measure circumference 6in above mid-patella X-Small: 13 1/2in - 15 1/2in Small: 15 1/2in - 18in Medium: 18in - 20 1/2in Large: 20 1/2in - 23in X-Large: 23in - 25 1/2in 2X-Large: 25 1/2in - 28in