Bikini briefs by ASOS Collection, Plain swim fabric, Tie sides, Brief cut, Machine wash, 80% Polyamide, 20% Elastane. Score a wardrobe win no matter the dress code with our ASOS Collection own-label collection. From polished prom to the after party, our London-based design team scour the globe to nail your new-season fashion goals with need-right-now dresses, outerwear, shoes and denim in the coolest shapes and fits.