★ NOT suitable for big head!!!!! NOT suitable for big head!!!!! NOT suitable for big head!!!!! Fits for head circumference about 59cm (23 inch)or below
★Internal width: 6.69" (17cm); Internal length: 8.46" (21.5cm).Please check the size chart on the second picture.
★Made by High Quality ABS, Light Weight: about 550g
★Side Rails fit a variety of accessories, Integrated NVG mount compatible with most NVG style mounts (NVG mount not included)
★Please check the size image carefully and measure your head circumference before make an order//***Warning: This item is for adult only.
