Billabong Women's Josie In The Loop Demi Underwire Bikini Top Sunlit laps spark laughter. Our Demi Underwire Bikini Top stays secure. Partially recycled stretch, hidden underwire, no cups, O-ring sliders and center-back hook customize fit; silicone patch signs off. 74% Recycled Polyester / 21% Polyester / 5% Elastane Demi Underwire O rings and sliders for adjustable straps with center back hook for adjustability No cups Josie X Billabong silicone patch at wearers left back side seam Materials 74% Recycled Polyester 21% Polyester 5% Elastane