Few issues have caused as much controversy in the PRIMER office recently as singlets – specifically, what to actually call them. Are they vests? Tank tops? Singlets? Or singlet tops? Perhaps it’s a sign of their ubiquity (and the fact we all grew up in different countries) that this wardrobe staple has so many different names. But this season, they’re cutting a little differently, with sculptural, curved neckline and arms at Friends with Frank and Henne, below, or featuring thick ribbed details that elevate the look.