The canonical answer is going to be black shoes, specifically black heels
There are a few scenarios where you should not wear black to a wedding, so its important to pay close attention to the invitation
The Colors 3367 dress promises to make you feel like the star of the evening with its dazzling sheen and sophisticated style, whether it's a prom, cocktail party, or special night out
Amy de la Haye and Andrew Tucker note in Costume and Fashion: A Concise History: American retailer The Gap, founded in San Francisco in 1969, universalized the popularity of garments such as the hooded sweatshirt and cargo pant (the latter contributing to a massive downsizing in the denim market), making once-basic items a wardrobe staple for all generations. (Laver 284-285) This was paralleled in high fashion as designers such as Helmut Lang put a fashion spin on styles such as parkas, combat trousers and other items worn by outdoor adventurers (Laver 284
Have not tried them yet myself, but have heard good things about the quality and durability