This includes but is not limited to shorts, t-shirts, jeans, open-toed shoes and athletic footwear. The vast majority of the people you encounter in Las Vegas will be wearing shorts and a t-shirt (or jeans in the winter).Ī resort casual dress code consists of informal attire. This means that you can wear almost anything, including t-shirts, shorts, and flip-flops. Many years ago, people would dress up to go to the casino, but it’s not as common anymore.Īlmost every Las Vegas casino implements a resort casual dress code. Las Vegas casinos don’t have official dress codes, so most people dress casually. What to Wear in Las Vegas Casinos (with Examples) Most people don’t actually dress like this in Las Vegas.