mens red and black dress shirt Men's Kurt Plaid Flannel in embroidered arrows on Smile pockets Red and Black Roses Print

The beach is beautiful, but she is not discreet

Its also respectful to the party organiser

So avoid any garments that are explicitly casual such as short sleeve or collarless shirts like a polo shirt or Henley, non-dress pants, casual shoes like loafers or sneakers, jeans, bright-colored dress shirts, excessively bold or vibrant accessories and light-colored suits, although it might be okay to wear a light colored suit if youre in a warm weather festive activity

Shift dresses work well for straight figures

You also want to make sure that your shoes aren't massively uncomfortable, because that will translate into discomfort during the interview