If you plan to compete in IBJJF tournaments, your gi must be .

: Lightweight and breathable, ideal for hot climates or beginners.

Always check the specific brand's size chart, as an "A2" in one brand may fit differently in another. :

The cuff should ideally sit on the wrist bone; more than 2 inches before the wrist is considered too short.

: Heavier and more durable, making it harder for opponents to grip.

The jacket must reach the thighs, and sleeves must reach the wrists when arms are extended. 💡 Practical Considerations How to Choose a Jiu Jitsu GI - RVCA

BJJ gis use an "A" (Adult) scale (e.g., A0 to A5) based on height and weight.