Semi-formal attire, falls in the middle between casual and formal on the formality scale. For semi-formal weddings, focus on ensembles that are nice and put-together, but avoid going over the top. Remember: It's better to be a bit overdressed than to show up in something too casual. Ensemble: Suit (button down shirt, dinner jacket, dress pants) Shoes: Dress shoes Accessories: Tie optional Ensemble: Cocktail dress (typically knee-length), midi dress, dressy jumpsuit Shoes: Heels, kitten heels, dressy flats Accessories: Complimentary jewelry, purse or clutch