M37 Pressure Suit

Overview
Built in order to give UNSC personnel the ability to operate in low pressure environments without risk of injury, the M37 Pressure Suit is used as both as spacesuit and as a spaceflights by the pilots of space-capable craft.

Design
In order to maintain constant air pressure inside the suit and operate the suit's complex electronic, the suit is equipped with a small fusion core. There have been some experimental attempts to use this core to power shielding, although they have not found their way into operational versions of the M37. This generator is part of the suit's integral life support system built into a small pod on the suit's back.

The integral lining of the suit also features as g-suit, allowing pilots to make hazardous, high-g maneuvers without blacking out.

Fitted with an integral Kevlar weave, the suit's material is both air, heat and waterproof, and gives the wearer nominal ballistic protection from micrometeorites and small-caliber rounds.