Office parties or casual occasions call for an outfit that's special but not over the top; smart, but not dull.
Hair was worn short and curled with the New Look, and hats were essential for all but the most casual occasions.
Khaki-colored pants, called chinos, were worn for casual occasions.
Other times, the drawstring bottoms are worn with an undershirt for a cool look on a casual occasion.
The reception was on the afternoon of Christmas Eve, and it was going to be a casual occasion.
And it might have been a casual occasion, but people were dressed to the elevens.
Dressy enough for the office, it is a standout for casual occasions - like bowling.
Sari is the most popular dress for women in Bangladesh, both for casual and formal occasion.
It was worn by men and women, old and young, both on formal and casual occasions, until the 1940s.
Nor do they like flats, except for casual occasions.