In order to make female players more comfortable during their periods, Wimbledon is allowing them to wear colored undershorts instead of all-white clothing.
All-white attire for players at Wimbledon is a well-known part of the grass-court Grand Slam tournament. However, the All England Club on Thursday updated the rules after discussing the best way to support women and girls competing at the championships with the WTA, clothing manufacturers, and medical teams.
Women can now wear solid, mid/dark-colored undershorts as long as they are no longer than their shorts or skirts.
The requirements for clothing and accessories remain unchanged, including the requirement that competitors wear almost entirely white tennis attire.