Bikini briefs by ASOS Maternity, Smooth stretch swim fabric, Fold-over waistband, Designed to sit under the bump, Brief cut, Hand wash, 80% Polyester, 20% Elastane, Our model wears a UK 8/EU 36/US 4. Maternity dressing gets bumped up to next-level status with the ASOS Maternity edit. Designed by the London-based team to fit you from three months onwards, you can grow your wardrobe alongside your bump with maternity clothes in (UK) sizes 6-20, with adjustable fastenings and flexible waistbands. Tick all of your pre- and post-baby boxes with its jersey basics, nursing bras, dresses, denim and outerwear that all get the bump-friendly treatment.