Martial Art Equipment

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judo

International Judo Federation

Rules from IJF Sport and Organisation Rules (2026) and IJF Judogi Rules appendix. Last checked 16 October 2026.

In SA: Judo South Africa (IJF member; follows IJF rules)

Gis & uniforms

  1. 01

    Judogi colour assignment

    The athlete on top of the draw sheet wears a white judogi; the one below wears blue.

    all competitors

  2. 02

    Judogi colour standard

    Jacket and trousers one uniform colour: snow white, or the IJF blue. Reversible white/blue judogi are banned. Black is not allowed.

    all competitors

  3. 03

    Jacket length

    Jacket skirt must fully cover the buttocks plus 5-10 cm, equal length front and back.

    all competitors

  4. 04

    Lapel crossing

    Lapels must cross at least 25 cm apart at belt level.

    all competitors

  5. 05

    Lapel size

    Lapel thickness max 1 cm; lapel width 4 cm.

    all competitors

  6. 06

    Sleeve length

    Sleeves must cover the full arm including the wrist bone with arms held level, loose enough for the official gauge to slide inside.

    all competitors

  7. 07

    Trouser length and width

    Trouser hem 5 cm or less from the ankle bone; leg width at the knee 10-15 cm.

    all competitors

  8. 08

    Women's T-shirt

    Women wear a plain white, short-sleeved, round-neck T-shirt under the jacket.

    female competitors

Other

  1. 09

    IJF label

    At IJF events jacket, trousers and belt must carry the IJF approval label.

    IJF events

Belts

  1. 10

    Belt

    Belt 4-5 mm thick; tips 20-30 cm from the knot; not stiff or slippery, tied tightly.

    all competitors

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