Uniform Information

Rule 4.3.3 page XVI states:

The players' jerseys must be numbered in a permanent manner from 1 to 99. Duplicate numbers are not allowed.

Rule 4.3.3.1 page XVI states:

(a) Uniform numbers must be clearly visible and centered on the chest and back. Each jersey must use the same color and number height for all players except the Libero.
(b) Color combinations such as purple/black, dark green/black, navy/black, white/light yellow or navy/maroon are not distinctive enough to comply with the rules.

Rule 4.3.3.2 page XVII states:

The numbers must be a minimum of 10cm (4") in height on the chest and a minimum of 15cm (6") in height on the back. It is recommended that the numbers be a minimum of 15cm (6") in height on the chest and a minimum of 20cm (8") on the back.

Rule 19.2 page LVI states:

(a) The Libero player's jersey must contrast in color with that of the predominant colors of the jerseys of the other team members. Color combinations such as purple/black, dark green/black, navy/maroon, and white/light yellow are not distinctive enough to comply with the rules. (b) A jacket or bib can only be worn by the re-designated Libero. If a jacket or bib is worn by the re-designated Libero, the uniform number must still be visible.