Billabong Last Summer Skimpy Hike Bikini Bottoms. The Billabong Last Summer Skimpy Hike Bikini Bottoms are a flirty, feel-good swim staple made from a conscious, partially recycled nylon fabric that looks great and does better for the planet. Designed with a flattering high-cut leg and a low, hip-hugging fit, they elongate your silhouette while delivering a confident, modern vibe. Contrast piping adds a pop of detail, while the subtle logo keeps the look clean and elevated. Finished with skimpy bum coverage and a fully lined interior for comfort and security, these bottoms are perfect for soaking up the sun in standout style. 78% Recycled Nylon 22% Spandex. Lining: 92% Recycled Polyester 8% Spandex. Hand wash. Imported.