Price, brand name, and special features mean nothing if the shoes do not fit comfortably. Select sport socks that are designed for tennis. They provide additional padding where it is needed and wick away perspiration. When buying new tennis shoes, be sure to try on the socks with the shoes. The sock's extra padding can make a difference in how the shoes fit by half a size.
Replacement insoles for shoes can make a similar difference.
Special shoe inserts may correct abnormal foot motion and alignment. They can make foot motion more efficient and correct structural imbalances. They can relieve pain and reduce the risk of foot injury. A foot or bone specialist should prescribe and fit them to your foot. Remember, the right shoes, socks, and foot care will keep your feet healthy and less prone to injury.