Billabong Take It Back Halter Bikini Top. The Billabong Take It Back Halter Bikini Top combines sustainable style with customizable comfort. Made from a recycled nylon and elastane blend, it offers medium bust coverage and a flattering halter silhouette. Adjustable ties at the neck and center back, each finished with a metal bead, allow for a perfect fit, while the lined design provides smooth, comfortable coverage. Subtle logo embroidery on the left side seam adds a polished touch, making this bikini top a chic, eco-conscious choice for poolside or beach days. 78% Recycled Nylon 22% Spandex. Lining: 92% Recycled Polyester 8% Spandex. Hand wash. Imported.