※ Wrap the measuring tape around the fullest part of the head -- this will be just above the ears and about a half-inch above the eyebrows for most - and take the measurement at the forehead. To get the most accurate measure, have help with this step.
· Internal drop-down sunglasses
· Removable and washable antimicrobial sweat-wicking liner
· Padded chin strap with D-ring closure
· Thermal polymer alloy shell construction
· Multi-density eps
· DOT certified(US)
