Meet the PFLEXX Knee Exerciser: a simple wearable tool that helps you build muscles around your knee to become a better runner. It has Power Springs fitted on either side of the knee joint to strengthen it and build muscle in the quad, hamstring, calf and glutes.
💪🏾 Trending strength training:
The sleeve is made from Advansa Thermo°Cool textile, so it keeps you warm in cold weather. It keeps the blood flowing and speeds up recovery time.
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