Doctor's foot laboratories, Dr. Saul Goldston, is truly a foot specialist. I am a marathon runner, running the Boston 4 times in my late 50's, and now still running in my late 60's. I contribute his orthotics to helping make this possible, also to all the many other daily moving activities. I put the new pair that I received recently in my running shoes; They fit perfectly, then I went out and ran 8 miles, 9 minute pace. Normally, you break them in gradually, However, he made the accurate adjustments according to the foot mold, for my feet, hip, and back. I had no pain and felt like I was running on a cloud in Arizona heat. They were flexible, but had the support I needed to maintain proper form. The first pair were worn years into shreads, and I was still wearing them this summer, doing Zumba in the sand on Lake Michigan beach. I have had five or six other pairs from foot doctors, with no success. I highly recommend Dr.Saul Goldston for orthotics. He stands for quality, honesty, and sincerity. Thank you Dr. Goldston!