OSTEO combat engineering suit

Hazmat is an armor core 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