Why Knee Support got hole?

Without hole

Knee Support got two most common type of sleeves. One is without hole and another sleeve with a hole in it. The knee sleeve serves two major purposes. The without hole one that it provides compression (if it's made of compressive material). This is helpful to manage mild swelling around the knee and keep blood flowing to the muscles that support the knee (quadriceps). Its also provides a significant amount of proprioceptive feedback to the brain, helping to keep the body at a heightened level of awareness that the knee might need a little extra help.

McDavid Elastic Knee Sleeve
McDavid Knee Wrap
McDavid Knee/Elbow Pads

With hole

The knee sleeve with a hole in it, is designed to support the kneecap. Certain conditions will cause the knee cap to track improperly, causing irritation around the knee joint. The hole in the brace will encompass the knee cap and help to keep it on track.

McDavid Knee Support
McDavid Knee Sleeve with anterior patch & open patella
McDavid Knee Support
McDavid Double Knee Wrap
McDavid Ligament Knee Support
McDavid Multi Action Knee Wrap
McDavid PSII Hinged Knee Brace
McDavid PSII W/Polycentric Hinged & Cross Straps

McDavid Knee Support Size Guide

It is really important to get the correct size support, otherwise it won't stay in place properly, will not provide adequate support and will become uncomfortable. McDavid knee support are either one size fits most or come in five sizes.

To get an accurate fit, measure around the centre of the knee and chose from the options below. If your knee size falls between two sizes, it is usually best to go for the larger size for a better fit.

Measure around knee S M L XL XXL
Size in Inch 12-14" 14-15" 15-17" 17-20" 20-22"