Thong by Boux Avenue, Semi-sheer lace, High-rise waist, Cut-out detail, Lace panel, Sheer back, Thong cut, Machine wash, 89% Polyamide, 11% Elastane, Our model wears a UK 8/EU 36/US 4. From standout styles to everyday basics, London-based Boux Avenue's lingerie collection has you covered in all the right places. With a focus on fit and attention to detail, its slinky separates, sexy sets and flattering briefs will get your full support too.