India, April 18 -- Every two years, without fail, I find myself back in Italy. With my Italian heritage and lifelong love of food and fashion, wandering Rome with a gelato in hand or sipping on an Aperol Spritz in a Florentine piazza has always felt second nature. After studying abroad in Florence and returning for a summer stint, I now visit the region regularly-and as such, I've learned exactly what wardrobe pieces earn a spot in my suitcase.

Having now traveled to more than 20 cities, primarily in the spring and summer, I've refined my packing strategy down to a simple formula: minimalist staples, lightweight layers, and breathable fabrics like linen and silk. Along the way, I've also taken cues from the locals, who prove time and a...