Specifications Product Name: MICH Combat Ballistic Helmet Protection Level: Level IIIA (NIJ Standard 0106.01) Ballistic Material: Ultra- High Molecular Weight Polyethylene Protection Area: 1400 c㎡ Size: 21.6~24.8in Color: Black/Green/Desert Weight: 3.5lb Certificate: CE,NIJ,ISO,BSCI Technical Features: Fully adjustable suspension and padding Sizes fit a wide variety of head measurements Tactical model features pictinny rails, night vision shroud, and bungees Easy donning quick release buckle Hydrophilic Foam for comfortable fit and moisture-wicking absorption. Pad system designed to maintain air gap between head and outer shell Slide adjusting buckles easily center chinstrap on wearer Improved comfort, balance, and stress fatigue Laser cut edges with rubber coated strip Drop tested for superior shock absorption to EN-397 Ergonomic design improves comfort, balance, and stress fatigue Water, oil and vibration resistant Temperature, altitude and pressure stable Multi-hit protection tested on all sides Compatible with comms, night vision, eyewear, gas masks etc. Non-magnetic and non-corrosive parts. Manufactured using high quality military grade materials Easy care wipe down finish. Helmet Protection Against 9mm, 115gr 1400fp/s (428m/s) .357 SIG FMJ FN 1430 Fps (435.8m/s) High Fragmentation Protection Against Fragments From V50: 17gr (1.1g) .22 FSP V50 2192 ft/s (668.12m/s), High Partial: 2212 ft/s (674.2 m/s), Low complete: 2172 ft/s (662 m/s).