Arlington International Racecourse red flower structured sunhat derby garden party black and white polka dotted sunhat hot pink and black derby sunhat gorgeous gold and black sunhat Hyatt's Day at the Races gold embellished structured sunhat a day at the races accessorize with your outfit! beautiful hats at the del mar race track elegant men's silver top hat white structured hat black fedora queen mary blue white stripes top hat Cream and silver fedora lavender derby hat embellished over-the-top sunhat ladies at a derby event