http://www.ebay.com/itm/401061221390
This vintage derby is S.B.A.’s Comfort hat, with a Bon Ton Ivy self adjusting sweatband and positive ventilation which supposedly prevents balding. It measures 20-3/4″ in circumference.
http://www.ebay.com/itm/401061221390
This vintage derby is S.B.A.’s Comfort hat, with a Bon Ton Ivy self adjusting sweatband and positive ventilation which supposedly prevents balding. It measures 20-3/4″ in circumference.