For a foolproof classic and casual option, you can't go wrong with this pairing of a black blazer and a gold sheath dress. Complement your getup with over the knee boots and you're all done and looking stunning.
Black Blazer with Over The Knee Boots Dressy Warm Weather Outfits In Their 30s
When the dress code calls for an elegant yet knockout ensemble, you can always rely on a black blazer and a blue pencil skirt. Over the knee boots will tie your full ensemble together.