Circumference: 21.5"
Front to nape: 13.6"
Ear to ear across front hairline: 10.8"
Ear to ear over top: 12.5"
Temple to temple: 14.5"
Nape of neck: 4.8"
 

Circumference: 22.5"
Front to nape: 14.5"
Ear to ear across front hairline: 11.5"
Ear to ear over top: 13"
Temple to temple: 15.5"
Nape of neck: 5"
 

Circumference: 23"
Front to nape: 15.5"
Ear to ear across front hairline: 12"
Ear to ear over top: 14"
Temple to temple: 16.7"
Nape of neck: 5.8"