Bikini briefs by Matthew Williamson, Stretch swim fabric, Low-rise waist, Strappy sides, Metal tube detailing, Brief cut, 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.