Head size measure

To measure your head size you need a tape-measure.

Hold the tape-measure to the back of your head.  

Then pull the tape on either side of your head just above your ears and eyebrows raised to the middle of your forehead.

Don't pull the tape-measure to tight.

Example: You measured 58 cm, then your size is 58

size 55 small
size 56 small
size 57 medium
size 58 medium
size 59 large
size 60 large
size 61 extra large
size 62 extra large
size 63 extra extra large
size 64 extra extra large