Details, Size & Fit. The Olivia Humming Bra by Stella McCartneyfeatures a timeless and playful polka dot design on a comfortable mesh. We love The supportive and stretchy tennis-inspired elastic band under The bust. Soft mesh cups; polka dot pattern Black shade Tennis-inspired elastic underband Adjustble straps.Please refer to The garment for care label instructions. fabric / material: NA.SKU: ST624AC38EDH.