STRIDER-class Mjolnir

The MJOLNIR Powered Assault Armor/Strider is a helmet for the MJOLNIR Powered Assault Armor (GEN2) utilized by SPARTAN-IVs.

Development history
The Strider-class armor system was designed explicitly for activities commonly referred to as "jaunt-combat excursions," in which operators participate in numerous, highly varied missions over an impressively short period of time and within an isolated environment.

Halo 4
Unlock: Unlocked by getting the War Games Map Pass. It is also available in the Halo 4 Game of the Year Edition.
 * Description: Primary armor set for jaunt-combat excursion in isolated theaters.

Halo 5: Guardians
Unlock: REQ pack

Trivia

 * In Halo 4, Strider is one of four helmet-only armor sets alongside the Locus, Scanner, and Deadeye helmets.

List of appearances

 * Halo 4
 * Halo 5: Guardians
 * Halo Online