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This page explains what lacrosse's rule books, governing bodies and standards bodies publish. It is not a substitute for coaching from a qualified coach, and it does not replace medical advice.
This page reports the rules only. It does not advise on choosing or fitting shoes or clothing, and whether any item is legal on the day is for the officials applying the rule in force.
Footwear
| Game and code | Rule | What it says |
|---|---|---|
| Men's field, World Lacrosse 2025-2027 v1.0 | 17.1 | All players wear suitable boots or shoes |
| Women's field, World Lacrosse 2025-2026 v1.0 | 6.A.19 | Plastic, metal, leather or rubber cleats or studs with smooth exposed surfaces are allowed; athletics spikes are not; flat-soled shoes are allowed |
| Sixes, World Lacrosse 2026-2028 v2.0 | 2.4.1W and 2.4.1M | Suitable shoes must be worn |
| Boys' high school, NFHS (2023 change) | 1-9-1g | Detailed sole and cleat criteria replaced by a requirement that shoes be designed for lacrosse; metal spikes remain prohibited |
The NFHS change was announced on 16 August 2022 for the 2023 season. The box book's footwear wording is not in the research and is not given here.
Men's and boys' uniforms
World Lacrosse men's field (2025-2027, version 1.0)
- Rule 17.2: numbers centred on the front and back of the jersey, at least 8 in (20.3 cm) high on the front and 10 in (25.4 cm) on the back, one or two digits from 00 to 99, with no duplicates; shorts in the same dominant team colour.
- Rules 17.3 and 18: the home team wears a colour contrasting with the visitors' notified colour; no body-mounted or helmet-mounted cameras; and no jewellery or piercings except taped medical alert or religious items.
A version 1.1 dated January 2026 exists but was not read.
NFHS boys' high school (from published change summaries)
- 2024, Rule 1-9-1 Article 4: contrasting trim up to 2 in is allowed on numbers, but the number's main colour must contrast with the body of the jersey.
- 2026, Rule 1-9-1h(3): the minimum number height on the back of the jersey dropped to 8 in, matching the front.
- 2026, Rule 4-3-1 Exception Note (editorial): undergarments may be white, grey, black or one of the team's official colours.
USA Lacrosse lists NFHS boys' high school uniform guidelines among its rules documents; they were not read for this site.
Women's and girls' uniforms
World Lacrosse women's field (2025-2026, version 1.0)
- Rules 6.A.9 to 6.A.18: field players are dressed uniformly. Visible undergarments match the shirt colour, or, under the kilt, skirt or shorts, match it or are one solid dark colour. Numbers are at least 15 cm on the front and 20 cm on the back, in a solid block font. At World Lacrosse tournaments, only numbers 1 to 98 are used.
- Rule 6.A.7: medical alert jewellery is taped and visible; other jewellery is removed, or taped if religious or a wedding ring. Hats or visors with soft neoprene brims are allowed, and a hijab may be worn.
A version 1.1 dated March 2025 exists but was not read.
NFHS girls' high school
- 2026, Rule 2-8-3 (NFHS, 11 July 2025): players may not wear audio (microphone) or video (camera) devices during a game; a violation is a coach misconduct penalty.
- 2027, Rule 2-9-4 (NFHS summary of changes): from 1 January 2031 the home team must wear white jerseys.
- 2024, Rule 2-9-4e: the National Sporting Goods Association, a trade body, reported that the school's name, nickname, logo or mascot, or the player's name, may appear above the number, with non-compliant marks illegal from 1 July 2027. No NFHS original was read, so this is unconfirmed.
Sixes and box
- Sixes, Rules 2.4.5 and 2.4.6 (2026-2028, version 2.0): matching jerseys and shorts, skorts or kilts; no altered uniforms; the home team in white or light jerseys unless both coaches agree otherwise; numbers 15 to 21 cm high on the front and 20 to 26 cm on the back, from 0 to 99.
- Box, Rule 2.8 (2026-2028, version 2.0): numbers at least 10 in high on the back; matching jerseys and shorts; no altered uniforms; nothing hanging below the jersey hem. Rule 2.8.2 also bars adding tape, characters or non-sponsor logos to a player's helmet.
Number sizes compared
| Game and code | Front | Back |
|---|---|---|
| Men's field, World Lacrosse (17.2) | At least 8 in (20.3 cm) | At least 10 in (25.4 cm) |
| Boys' high school, NFHS (2026 change) | Not in the research | At least 8 in, matching the front |
| Women's field, World Lacrosse (6.A.9 to 6.A.18) | At least 15 cm | At least 20 cm |
| Sixes, World Lacrosse (2.4.5 and 2.4.6) | 15 to 21 cm | 20 to 26 cm |
| Box, World Lacrosse (2.8) | Not in the research | At least 10 in |
Sources
- World Lacrosse, Men's Field Lacrosse Official Playing Rules 2025-2027, v1.0 (copy hosted by BC Lacrosse with World Lacrosse's permission)
- World Lacrosse, Women's Field Lacrosse Official Playing Rules 2025-2026, v1.0 (copy hosted by Lacrosse Victoria)
- World Lacrosse, Sixes Lacrosse Official Playing Rules 2026-2028, v2.0 (May 2026)
- World Lacrosse, Box Lacrosse Official Playing Rules 2026-2028, v2.0 (May 2026)
- NFHS, field equipment requirements lead high school boys' lacrosse rules changes (16 August 2022)
- NFHS, boys' lacrosse rules changes for 2024 (21 August 2023)
- NFHS, 2026 boys' lacrosse summary of rules changes with rationale
- NFHS, five rules changes approved for 2026 high school girls' lacrosse season (11 July 2025)
- NFHS, 2027 girls' lacrosse summary of changes
- National Sporting Goods Association, equipment and uniforms part of high school girls' lacrosse rules changes (July 2023)
- USA Lacrosse, boys' and men's rules page
- World Lacrosse, playing rules page (lists men's field v1.1, January 2026, and women's field v1.1, March 2025; read 23 October 2026)