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Pro-Tec Athletics

Pro-Tec Athletics X-Factor Knee Brace

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The X-Factor Knee Brace provides overall knee joint stability and support. The second layer of Neoprene allows the user to control the compression level and medial and lateral spiral stays add stability. This Knee Brace is open behind the knee for greater comfort and has extra built-in support under the kneecap. This product is 1/16 thick and features a pull-up sleeve application with straps for support and compression. With some Knee injuries, having control over the amount of compression a knee brace provides is beneficial. The Pro-Tec X-Factor Knee Brace provides that feature and more in a comfortable, non-bulky knee brace made from Neoprene, tubing, Velcro , Spiral Stays and Cool Max mesh. 


  • The X-Factor knee brace stabilizes the knee joint area, helping to prevent further injury.
  • It contains an infrapatellar buttress to support the patella and help improve patellar tracking.
  • Medial and lateral spiral stays provide additional stability to the ligaments of the knee joint.


Item model number: 8500 (Regular), 8503 (XL)



Pro-tec X-Factor Knee Brace Sizing Chart

Measurement based on circumference 3" above patella