Shop Swimsuits by Swimwear and Lingerie Boutique. Underwired and Cup Sized Swimsuits. Larger cup sizes sizing up to H Cup, offering great support and the perfect fitting swimsuit. Bandeau Swimsuits, Soft Cup Swimsuits to suit the smaller cup sizes. Unique and Vibrant designs from Designer Brands such as Roidal, Aguaclara, Freya, Fantasie, Seafolly and Stella McCartney.