13. T-Shirt Dress

Effortlessly cool, T-shirt dresses are a travel must for city breaks and road trips. Pair with sneakers for sightseeing, or dress up with sandals. The Guardian highlights their versatility. (theguardian.com) Their simple silhouettes make them easy to layer with denim jackets or light cardigans, perfect for unpredictable weather. Plus, they roll up compactly in a suitcase, saving space while offering endless styling options.