Legacy Safety Specials Ops Ballistic Helmet *** FREE HELMET BAG INCLUDED *** Size: 19"x19" Material: Heavyweight denier polyester Interior: Padded for protection Exterior pockets: Two hook-and-loop pockets with snap closures Closure: Brass zipper for secure storage Carrying options: Adjustable and removable shoulder strap, top carry handles Ideal for: Military personnel, skaters, motorcyclists, and bicyclists The Legacy Safety Special OPS ballistic helmet is a high-performance, multi-layer, lightweight 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.  Designed to meet the modern realities of the battlefield; the Accessory Rail Special OPS Helmet delivers on all counts. Superb performance to weight characteristics, full special ops coverage with enhanced awareness due to the reduced profile and higher cut. This helmet is a new way forward for the special forces community.  Features: Increased area of coverage over the ears and back of the helmet Ergonomic and stable platform Standard MICH/ACH Pads and Suspension Fixed side rails for mounting accessories Lightweight Aluminum NVG mounting shroud Level IIIA Protection NIJ 0101.06 Fragmentation protection US MIL STD 662F V50 at 2150 ft/sec. Size can be adjustable from Small to XL due to its Suspension Dial Retention System Don't know which type of helmet is perfect for you? Here's a guide for everything you need to know.