How To Find The Right Evening Bag For Your Look If you're wearing Black Tie Attire, choose...a Classic Snap Top Clutch. You're already as formal as it gets. It's best to stay in line with the most classic option of them all — a classic snap top bag. The real fun here is to play with textures. Instead of a ho-hum black clutch from the department store discount shelves, pick up a blue velvet clutch or something bold and embroidered.