What gear do I need to train No-Gi BJJ?

A rashguard, grappling shorts, and optional spats. No-Gi has no belt or gi.

Are Kingz No-Gi items IBJJF legal?

Yes — Kingz rashguards and grappling shorts meet IBJJF No-Gi rules including the 10% rank-color requirement.

Yes, but BJJ-specific shorts have a longer cut and rubberized grip waistbands designed for grappling.