A soccer ball is a spherical object used in the sport of soccer, also known as football in many countries. It is typically made of a synthetic outer layer, often polyurethane or PVC, and filled with air to provide bounce and shape. The standard size for adult play is Size 5, with a circumference of about 68-70 cm. Soccer balls come in various designs and colors, often featuring the logo of the soccer league or brand. They are constructed to withstand outdoor conditions and are designed for optimal performance on the field. The quality of a soccer ball can affect gameplay, making it an essential piece of equipment for players.