NWOT Aerie superchill modal ribbed bikini underwear in green/ pink. Size XS. Lightweight and very Aerie, this undie is a total dream. And, as always, the comfiest and softest around. Elastic waistband for easier on/off and lightweight material for breathability and airflow! 92% modal, 8% elastane. *stock pictures are for reference only, please see all pictures.