In essence, a lounge suit event requires formal dressing. However, it tends to be less formal than a black tie but more than a cocktail event. Lounge suits for women include dressy skirts with event-appropriate tops, pantsuits, sophisticated floral pattern dresses and jumpsuits.

The dress code for "lounge wear" in a professional travel or club setting is almost always defined as "Smart-Casual," which prioritizes neatness and presentation over pure comfort. For men, this generally means wearing trousers (or clean, dark-wash jeans), a collared shirt or a high-quality knit sweater, and closed-toe shoes like loafers or clean leather sneakers. For women, it includes dresses, skirts, tailored pants, or stylish tops paired with comfortable but elegant footwear. While many travelers enjoy the comfort of leggings or joggers, most high-end airport lounges—such as those operated by British Airways, Emirates, or American Express—specifically prohibit "beachwear" (like flip-flops or swimwear), "gym-wear" (like sweatpants or torn activewear), and any clothing with offensive slogans or imagery. The goal is to create an environment that feels more like a private club than a crowded terminal, so being "neatly groomed and presentable" is the standard that ensures entry into these exclusive spaces.