4-oz MMA-style fingerless gloves — open palm (distinct from traditional 8-10oz Thai boxing gloves); Mouthguard: mandatory; Groin protector: mandatory (men); chest protector for women
Why people argue about this
People often assume that shin guards are mandatory in Muay Thai matches, which leads to misunderstandings when they see professional bouts without them. However, the official verdict clarifies that no shin guards are used in professional Muay Thai matches with ONE Championship, unlike amateur or traditional styles where shin guards are standard for safety.