High Tea Attire: What To Wear To High Tea in 2023 + Outfit Ideas! Afternoon Tea Dress Discover 15 Winter High Tea and high tea ideas high tea outfit, tea, tea party outfits and more What is the dress code for afternoon tea at the Waldorf Astoria in Washington, DC? 5 Elements of Afternoon Tea Fashion Destination Tea I get asked what the appropriate dress code is for afternoon tea and I always recommend smart casual at a minimum. Smart casual is polished and put together but comfortable. Wear neat, clean clothing