mens brown casual dress shoes Men's Work & Business Ventilated Upper Men’s Chocolate Brown Leather Sneakers
Description
Also, this dress has two side pockets

Roomy through hip & thigh with straight leg
What makes a modest little black dress modest

No holes, marks, stains, rips, tears, or other noticed flaws

Heels, sandals, flats, or wedges are all appropriate shoes to wear to a cocktail reception

Swapping your Oxfords for a nice pair of loafers could work, as could trading your suit for a pair of charcoal trousers and a sports coat, so long as you err on the side of conservatism with the fabric and pattern