[ Correction & Protection ] Adjustable Heel Wedge Inserts can help relieve knee pain and foot discomfort caused by improper walking posture. These heel inserts are designed for individuals with bow legs, knee pain, foot alignment issues, osteoarthritis, knock knees, pronation, posture problems, and other conditions related to uneven foot alignment. [ Cupped Heel Support ] These supination and pronation heel wedge inserts are engineered to fit the natural curve of the heel with a scientifically measured slope. The Medial & Lateral Heel Insoles contour to your heel shape, offering stable support, reducing foot fatigue, and enhancing comfort during wear. [ Adjustable Layers ] These orthopedic supination and pronation correction heel wedges can be used individually or stacked together, allowing you to customize the height and correction level. The top layer measures 0.45", while the thinner layers measure 0.2". This layered design helps balance internal rotation strength, improve gait mechanics, and engage underused muscles to enhance overall body alignment, leg function, and walking efficiency.