What size Kingz kids' gi should I order?

Kingz uses M00-M5 sizing based on height and weight. Most kids age 4-12 fall between M00 and M3.

Are Kingz kids' gis IBJJF legal?

Yes — Kingz kids' gis are built to IBJJF youth specifications and are tournament legal.

Most kids get 12-18 months from a properly sized gi if washed cold and air-dried.