McDavid Patellar Knee Support With Stays 421

Brand: McDavid

Product Code: Please Select Option

Availability: Please Select Option

Size Guide
Size Chart Knee 421


Stand and bend your leg just less than 45 degrees, measure knee circumference over the kneecap. Compare measurement with size chart to find correct fit.


  Inches CM
Small 13" - 14" 33cm - 35.6cm
Medium 14" - 15" 35.6cm - 38.1cm
Large 15" - 16" 38.1cm - 40.6cm
Extra Large 16" - 17.5" 40.6cm - 44.5cm
XXL 17.5" - 19" 44.5cm - 48.3cm



Estimated Shipping Widget will be displayed here! (with custom color)


The McDavid Patellar Knee Support 421 is perfect for those with various knee injuries involving the patellar. The padded buttress surrounding the patellar provides the ideal support which will help the symptoms associated with patellar tendonitis, patellar subluxation and chondromalacia. It also provides medial lateral ligament support through the reinforced spring steel stays.

Benefits Of The McDavid Patella Knee Support

  • Designed to help relieve pain and provide support for chondromalacia, patellar tendonitis and patellar sublaxation.
  • Specially designed with a padded buttress for patellar related injuries.
  • Reinforced ligament support with spring steel stays, that run along the knee brace.
  • Prevents and provides aid with medial lateral knee injuries
  • Hook and loop closures at the top and bottom of the support ensure a ideal fit
  • Thermal and compression therapy provides by the Neoprene material that the knee support is made from.


Injuries The McDavid 421 Knee Brace Is Designed For:

  • Chondromalacia
  • Patellar tendonitis
  • Patellar sublaxation
  • Patellar dislocation
  • Patellar tracking issues


 Material & Allergy Information:

100% latex-free, 4.8mm neoprene (CR) exclusive of binding/straps/cover fabric