Frank & Eileen Eileen Button-Up – Dark Denim

The denim shirt you’ll live in. Frank & Eileen’s signature Eileen button-up gets a fresh update in dark denim—soft, drapey, and endlessly versatile. With its relaxed, boyfriend-inspired fit and lived-in feel, this is the shirt that works with everything in your capsule wardrobe, from jeans to wide-leg trousers.

Why We Love It

• Iconic Eileen fit: relaxed, easy, and always flattering

• Washed dark denim that’s soft, breathable, and never stiff

• Casual yet polished—perfect for layering or wearing solo

• Everyday essential: versatile enough to style year-round

Styling Tips

• Pair with white denim or trousers for an elevated, fresh contrast

• Wear open over a tee as a lightweight jacket

• Tuck into wide-leg pants for an effortless day-to-night look

• Knot at the waist with skirts or shorts for weekend polish

Fabric & Care

• Fabric: 100% Italian Denim, washed for softness

• Care: Machine wash cold, tumble dry low. No ironing needed—Eileen is made to look relaxed and lived-in.