Hyperhidrosis is a medical condition in which a person sweats excessively and unpredictably. People with hyperhidrosis may sweat even when the temperature is cool or when they are at rest.
About Tennis Shoes:
Sneakers with thick, hard soles that are designed to accommodate the hard surface of a tennis court. They differ from running shoes in that they are are flat on the bottom with a shallow tread that grips the court, yet allows sideways movement.