Details, Size & Fit. The Low Riser Bikini Bottoms from RH Swimwear is a flattering seamlessly constructed pant, with standard coverage. Here in a navy Mosaic print exclusive to The brand. Model wears a size XS/AU8, she usually fits a standard size AU8. See size chart for details of oThe r sizes. Low waist- Soft edges that don't dig in- Fully lined- Stretch fabrication; SPF 50+ Cool hand wash. Do not tumble dry, iron, dry clean or bleach.Fit: Runs true to size.Hand wash.Model Wearing: Size XS.Material: 82% nylon 18% spandex.SKU: RH411AA04WDV.