12th FINA World Swimming Championships (25m)

All FINA approved swimwear to be used at FINA World Championships must be approved by FINA. A list of approved swimwear is published by FINA each year and is available here.

In swimming competitions the competitor must wear only one swimsuit in one or two pieces. No additional items, like arm bands or leg bands shall be regarded as parts of a swimsuit (BL 8.2).

From January 1, 2010 swimwear for men shall not extend above the navel nor below the knee, and for women, shall not cover the neck, extend past the shoulder, nor shall extend below knee. All swimsuits shall be made from textile materials (BL 8.3).