CIRCUMFERENCE

Measurement from the front hairline to the occipital bone

EAR TO EAR OVER TOP

Measure from hairline directly above the ear across

FRONT TO NAPE

Measurement from front hairline at the center forehead straight back to the nape

TEMPLE TO TEMPLE AROUND BACK

Measure temple to temple around the back of the head

EAR TO EAR ACROSS FOREHEAD

Measure from the front of the ear along the front hairline

NAPE OF NECK

Measure the width of the hairline across the nape of the neck