This Olivia Newton-John foto contains
pendayung, leghorn, panama, topi panama, pelaut, skimmer, topi jerami, pendayung leghorn, panama topi, and sombrero.
There might also be
fedora, merasa topi, homburg, stetson, trilby, fedora merasa topi homburg, hat kampanye, kampanye topi, porkpie, and topi porkpie.