ATAIRSOFT PJ Type Tactical Fast Helmet w/ Protective Goggles Low Price Version A-Tacs NOT suitable for big head!!!!! For Hat Size: 59 or below  ( Internal width: 6.69" (17cm); Internal length: 8.66" (22cm) ). Weight: 550g ***Please check the image on the left side Light Weight: 500g Internal length: 22cm / Internal width: 17cm For Airsoft Only PLEASE MEASURE YOUR HEAD BEFORE MAKE AN ORDER