Timeless pieces like nautical stripes, splashes of red and fail-safe black get a cool upgrade. Add a hint of sparkle with statement earrings or a pair of jazzy ballet flats …
Main image (left to right): H&M, Zara and Massimo Dutti.

Mesh flat slingbacks, €45.95, at Zara.

Paseo bag in nappa calfskin, €2,200; www.loewe.com.

Striped sweater with polo collar, €69.95, at Massimo Dutti.

Textured knit cardigan, €54.99, at H&M.

Patent Mary-Jane shoes, €145; www.boden.eu.

Viola striped sweater, Khaite, €1,420, at Brown Thomas.

Denim cargo trousers, €99; www.arket.com.

Two-tone organic cotton poplin dress, Esse Studios, €615; www.net-a-porter.com.

Gold tone hoops, Gorjana, €70 at Loulerie.

Long-sleeved T-shirt, Damson x Frkl, £42; www.damsonmadder.com.

Rhinestone square-toed ballerinas, €59.99, at Mango.