3. Judo uniform (judogi)

The contestants shall wear a Judogi complying with the following conditions:

a) Strongly made of cotton or similar material (see guideline), in good condition (without rent or tear). The material must not be so thick or hard or slippery as to prevent the opponent from taking a grip.

b) Blue for the first contestant and white or off-white for the second contestant. (See Appendix).

c) Acceptable markings:

  1) National Olympic abbreviation (on back of jacket). Size of the letters 11 cm.

  2) National Emblem (on left breast of jacket). Maximum size 100cm2.

  3) Manufacturer's trade mark (on bottom-front of jacket, on bottom front of left leg of the trousers and on one end of the belt). Maximum size 20 cm2.
It is permitted to place the manufacturer's trade mark on one of the sleeves but inside the 25cm x 5cm area instead of at the bottom front of the jacket. The IJF Official suppliers are allowed to place the IJF Logo above their trade mark (in direct contact).

  4) Shoulder markings (from collar - across shoulder down the arm - both sides of jacket). Maximum length 25cm and maximum width 5cm. (The same advertising or national colours on both sides)

  5) Advertising on the sleeves, 10 cm x 10 cm on each sleeve (different advertising allowed). These 100 cm² have to be fixed just below and in contact with the stripes of 25 cm x 5 cm.

  6) Indication of the placing (1st, 2nd, 3rd) at the Olympic Games or World Championships, in an area of 6cm x 10cm at the bottom front left side of the jacket.

  7) The contestant's name may be worn on the belt, lower front of the jacket and upper front of the trousers up to a maximum of 3 cm x 10 cm. Also the contestant's name or abbreviation may be placed (printed or embroidered), on the back of the jacket above the National Olympic abbreviation, but in no case in a position to prevent an opponent from grasping the back of the jacket. The letters can be up to a maximum of 7cm high and the length of the name can be up to a maximum of 30cm long. This 7cm x 30cm rectangular area must be located 3cm below the collar of the jacket and the back identification must be fixed at 4cm below this area.
Note: For IJF Events and the Olympic Games, the names are indicated on the 30 cm x 40 cm Bibs.

 8) The contestants must bring judogi without any back identification at the sewing desk.

d) The jacket shall be long enough to cover the thighs and shall at a minimum reach to the fists when the arms are fully extended downwards at the sides of the body. The body of the jacket shall be worn with the left side crossed over the right and shall be wide enough to have a minimum overlap of 20cm at the level of the bottom of the rib-cage. The sleeves of the jacket must reach to the wrist joint at the maximum and 5cm above the wrist joint at the minimum. A space of 10 to 15cm shall exist between the sleeve and the arm (bandages included), along the entire length of the sleeve.
The lapel and collar must be a maximum of 1cm in thickness and 5cm in width. Stitches on the lapel must be parallel and are recommended to have around 5 lines of stitches which are equally spaced.

e) The trousers, free of any markings except for c3 and c7, shall be long enough to cover the legs and shall at the maximum reach the ankle joint and at the minimum 5cm above the ankle joint. A space of 10 to 15cm shall exist between the trouser leg and the leg (bandages included) along the entire length of the trouser leg.

f) A strong belt, 4 to 5cm wide, whose colour corresponds to the grade, shall be worn over the jacket going twice around it at waist, and tied with a square knot with the first loops inside the knot, tight enough to prevent the jacket from being too loose and long enough to leave 20 to 30cm protruding from each side of the knot when tied.

g) Female contestants shall wear under the jacket either:

  i) a plain white or off-white T-shirt, with short sleeves, rather strong, long enough to be worn inside the trousers, or:

 ii) a plain white or off-white leotard with short sleeves. 

If the Judogi of a contestant does not comply with this article, the Referee must order the contestant to change in the shortest possible time, into a Judogi which does comply with the article. 

The contestant’s spare Judogi should be brought by the coach to his chair at the edge of the competition area. 

To ensure that the sleeves of the contestant's jacket are the required length, the Referee shall direct the contestant to raise both arms, fully extended forward at shoulder level, when making the control. 

h) The official colour standards for Judogi blue are between pantone numbers n°18-4051 and n°18-4039 on the TP pantone scale and between n°285 or n° 286 on the print pantone scale. 

Judogi is controlled twice: the first is at sewing the back identification?and the second is before  each contest.  

Organizers of the tournament must prepare reserve judogis at Olympics, WC, JRWC, and Team WC.  

4. Hygiene

(a) The Judogi shall be clean, generally dry and without unpleasant odour.

(b) The nails of the feet and hands shall be cut short.

(c) The personal hygiene of the contestant shall be of a high standard.

(d) Long hair shall be tied so as to avoid causing inconvenience to the other contestant.

Any contestant who will not comply with the requirements of Articles 3 and 4 shall be refused the right to compete and the opponent shall win the contest by Fusen-gachi, if the contest has not yet started, or by Kiken-gachi, if the contest has already started, according to the "majority of three" rule (see Article 28).

Guideline for judogi manufactures

a) Materials of jacket are recommended using more than 70% cotton, and weight of the materials are recommended to be less than 1 kg/?. 
b) A cuff on a sleeve must be no more than 3 cm wide without protuberances.
c) Width of seam on the back must be no more than 3 cm.
d) A cuff on a trouser leg must be no more than 3 cm wide without protuberances.
e) Chest, shoulder, and armpit pad must be of the same material as judogi, and only one layer allowed for those parts as reinforcement.