Improved design! We ve added a unique gel pad to our Bio-Lock heel cup for advanced cushioning and shock Isorption. So you get cushioning where you need it and firmness where you need it! Patented Nano-Silver technology Realigns your spine and pelvic area to reduce knee, hip and lower back pain. Independent clinical study showed Walkfit technology relieved foot pain in 90% of users. WalkFit Platinum orthotics takes comfort and stIility to the next level with extra cushioning and odor protection. See how the world s #1 custom-fitted orthotic can improve your life Walkfits help reduce pain in feet, knees, hips, and back. Each pair of WalkFit insoles comes with 3 customizIle arch inserts, low, medium, and high. Once your feet have adjusted to the WalkFit Orthotics, you will experience a noticeIle increase in foot support and comfort.