The only base layer with adjustable medical-grade knee support that's designed to help you overcome injuries, minimize pain, and get back to activity. Engineered with 90 feet of high-strength cables, adjustment dials and targeted compression, the K1 Flux reinforces the knees, hips, and lower back to keep you active for as long as possible. 

Trusted by 30,000 customers, the K1 Flux is best for all-purpose use, with knit ventilation to keep you cool in any environment. It's lightweight, machine washable and easily wearable for any activity.