Adjust-to-Fit Knee Stabilizer has an internal adjustment system that targets the compression for a custom fit. The 4 side stabilizers allow for maximum support. Simply pull the tabs and have total control over the amount of compression you want to achieve. The Mueller Adjust-to-Fit Knee Stabilizer can be used on either the left, or the right knee to help provide comfortable, maximum support, and compression for weak injured or arthritic knees. Designed for use during sports or physical activities. Lightweight, breathable and soft materials - fits easily under clothing. Odour resistant, antimicrobial. Not made with natural rubber latex, or neoprene. Patent pending.