With spring inching closer, it’s time to ditch the bulky sweaters in favor of cool, tailored pieces you can wear all season long. Enter: the blue button-up shirt—a trusty standby to tie together any outfit, whether you’re layering it under a sweater or wearing it all on its own. Pair an asymmetrical collar with a structured blazer, a bow blouse with a cardigan, or opt for a short sleeve version with playful pockets. With an item as versatile as the blue button-up, no matter the sleeve length, the possibilities are endless. Ahead, nine of our favorites to choose from.