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Boater Hats

A boater (also straw boater, basher, skimmer, cady, katie, canotier, somer, sennit hat, or in Japan, can-can hat) is a kind formal summer hat.

The boater is a fairly formal hat, equivalent in formality to the Homburg, and so is correctly worn either in its original setting with a blazer, or in the same situations as a Homburg, such as a smart lounge suit, or with black tie. John Jacob Astor IV was known for wearing such hats.