OSTEO combat engineering suit

Hazmat is a MJOLNIR Powered Assault Armor variant utilized by Spartan Operations personnel.

Halo Infinite
Like Chimera before it, the Hazmat armor core was available by default during Season 04: Infection, the fourth season of Halo Infinite multiplayer. It was first revealed on May 26, 2023, in a promotional advert for a cross-promotion with Dr. Squatch soap.

List of appearances

 * Halo Infinite