Wearing a guayabera to promote DTMF is right on ... But what’s constant is their design: a linen or cotton shirt made with four frontal pockets and 10 to 14 vertical pleats.

There, he wore a white guayabera shirt stitched with the silhouette of the Morro—a Spanish fort in Old San Juan—and palm trees. A few days later, at a Spotify event where he also hosted a ...