Kavro ACH-111 T Boltfree advance combat helmet features the Reduced Helmet Trauma (RHT) Technology which reduces the 'Behind Helmet Blunt Trauma' caused by the high energy impact of a projectile by up to 40% compared to regular combat helmets. It provides protection of up to level IIIA with a resulting BHBT (Behind Armour Blunt Trauma) of just than 10 mm. It’s Boltfree construction allows for uniform protection across the combat helmet’s shell. the ACH-111 T also features the Kavro stability harness with 'Twistfit' that allows 360o clenching of the skull for excellent stability during tactical manoeuvres even when used with modern headgear equipment like Night Vision Devices.