McDavid 421 Knee Support with Steel Spring Stays
The McDavid 421 Knee Support is an innovative brace with a number of features designed to help those suffering from patellar subluxation, tendonitis, or chondromalacia. The padded buttress helps to support the patella, while steel spring stays help support the knee itself. Adjustable hook-and-loop straps help offer a perfect and secure fit.
McDavid 421 Features:
Sizing Chart: Standing with leg slightly bent, measure around the largest part of the knee; directly over the kneecap.
If you are in between sizes, the manufacturer suggests using the smaller size.