This Seafolly Active DD Maillot Swimsuit is perfect for a DD cup size & will take you from an early morning work out on the beach to a refreshing dip in the waves. The shelf bra is bolstered with a hidden underwire & side boning for optimal bust support, while the adjustable convertible straps add versatility whilst giving you the best possible fit. Shelf Bra Hidden Underwire for Bust Support Side Boning for a Forward Profile Adjustable Convertible Straps