iMeshbean Airsoft Swat Helmet Combat Fast Helmet with Wing-Loc Adapter Helmet Bag as a Gift iMeshbean is a registered trademark and "Newgate-Ships from CA"is the only authorized seller of iMeshbean branded products.QUALITY IS 100% BRAND-NEW GUARANTEED ,Free Expedited ship Available 20.3" - 22.4" (53CM - 58CM ) Best Helmet for tactical activities The strap is adjustable to make better fit If you need other style helmet ,maybe you can search 'B01EMUP9UY', 'B01EMS5AD2" or 'B01EO84WWK'