Bikini top by Matthew Williamson, Stretch swim fabric, Halterneck design, Triangle cups, Metal tube detailing, Self-tie fastening, Machine wash, 85% Polyamide, 15% Elastane. 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.