Bikini top by Matthew Williamson, Printed swim fabric, Cleavage-enhancing design, Underwire support, Clasp closure, Hand wash, 85% Polyamide, 15% Elastane, Our model wears a 32C cup size. The master of print and embellishment, London-based designer Matthew Williamson translates his love of travel into the brand's signature laid-back, boho style. The result is a collection of pretty printed dresses, oversized sunglasses, beaded kaftans and cut-out swimsuits.