Mediterranean style is harder to define than it looks. Italians dress with structure. The French Riviera dresses with insouciance. Greeks dress for the body. Lebanese dress for the evening. Spaniards dress for the late, late dinner. What unifies them is not a uniform — it is a relationship with light, climate, and the absolute refusal to look like you tried.
Start with fabric. Linen is the Mediterranean fabric: it breathes, it wrinkles immediately and forgivingly, and it looks better at the end of the day than at the beginning. Cotton, especially heavyweight cotton in a loose weave. Silk for the evening. Avoid synthetics. Avoid anything that says "performance."
Color is dictated by the landscape. Whites, off-whites, ecru, sand, ochre, terracotta, navy, olive, faded denim, the occasional black for the evening. Pattern is rare; when it appears, it tends to be striped — the Breton, the Italian rugby, the Greek fisherman.
Buy one good linen shirt. Wear it for ten years.
Cut matters more than brand. Italian style favors close shoulders, slightly tapered trousers, leather shoes worn without socks in summer. French Riviera favors loose linen, espadrilles, a navy blazer thrown over a striped tee. Greek island style is barely-there: a white linen shirt, swim trunks, leather sandals, sunglasses, done. Spanish coastal style is a notch more dressed: a button-down rolled at the sleeves, dark wash jeans, suede loafers.
Key pieces to own, regardless of climate at home: one perfect white linen shirt; one pair of well-cut linen or cotton trousers in a neutral color; leather sandals (Greek if you can find them); espadrilles; a navy blazer; one good cotton sweater for evenings; sunglasses that do not announce themselves; and a straw or canvas hat that is not new.
Brands doing it right, at various price points: 120% Lino and Massimo Alba for linen; Common Projects and KJØRE for shoes; Castañer for espadrilles; Drake's for shirting; Loro Piana if budget is no object. But the secret is not the brands. The secret is buying less, washing things until they soften, wearing them until they earn their place. The Mediterranean does not reward newness. It rewards patina.