Check the opera house dress code before you go
Wear formal or semi-formal attire
Choose a suit, tuxedo, cocktail dress, or elegant evening outfit
Select dark, neutral, or classic colors
Wear polished dress shoes or elegant heels
Keep accessories refined and understated
Avoid casual clothing, sneakers, jeans, and athletic wear
Choose comfortable clothing for sitting for long periods
Bring a wrap, coat, or shawl if needed
Dress slightly more formally for opening nights or gala performances