Legacy Safety & Security MICH ballistic helmet is a high performance, multi-layer, light weight combat helmet. Tested and proven to achieve a ranking of Level IIIA by the USA National Institute of Justice (NIJ STD 0106.01 ) by defeating .357 sig full metal jacket flat nose rounds (FMJ FN) and .44 Magnum semi jacketed hollow point (SJHP) rounds at velocities traveling up to 1450 ft/s.