Photography by Steven Pan, Styling by Zara Zachrisson

The 21st-century prepster ditches pastels, popped collars and argyle socks for bright colors and graphic prints, creating a his-and-hers wardrobe that infuses new energy into old standbys. The trick is in the alchemy: splashes of red, neutral wool toggle coats and sleek loafers get tougher with the right mix of patched denim, leather jackets and boxy bags. Just add sunglasses and you're on your way to summer casual perfection.