Yes, jeans are widely considered acceptable for a "smart casual" dress code in 2026, provided they meet specific criteria regarding fit, wash, and styling. For a pair of jeans to qualify as "smart," they should ideally be in a dark wash (like indigo or black) and have a tailored, slim, or straight-leg fit. Jeans with visible rips, distressing, frayed hems, or bold logos are generally too casual and should be avoided in professional or semi-formal settings. The "smart" part of the dress code is achieved through the rest of the outfit: you should pair your denim with elevated items such as a crisp button-up shirt, a fine-knit sweater, or a well-fitted blazer. For women, dark jeans paired with a silk blouse and a classic blazer or a structured cardigan is a quintessential smart casual look. Footwear is also crucial; instead of athletic sneakers, you should opt for loafers, Chelsea boots, or sleek leather dress shoes. In most modern offices and "smart casual" restaurants, this combination strikes the perfect balance between personal comfort and professional polish, though for formal interviews or traditional corporate environments, slacks or chinos remain the safer and more traditional choice.