The EVO®3 industrial safety helmet combines a super-tough shell for excellent all-day protection in the widest range of environments with the comfort benefits of the Evolution® 3D-Adjustment harness system; it stands out with the latest protective technologies and features, such as the Evolution® 3D-Adjustment harness system, the Revolution® Wheel Ratchet or the unique OneTouch™ Slip Ratchet, which can be adjusted with one hand in one quick movement.