Founded in 2009 by Carl Cunow and Nathan Romano, Onia's range — from basics to beachwear — is designed for ease with clean-cut silhouettes and high-quality fabrics to create a reliable wardrobe for every day. Especially flattering to the décolleté, the Marilyn is trimmed along the top with delicate ruching and centered by a string-tie bow. The balconette features adjustability at the back and slim straps, as well as supportive underwires making it ideal for slightly larger bustlines.