Micro-fiber offers lightweight, breathable feel Non-compression bust offers a smoosh-free fit Bonded armholes and hem for added comfort Elastic-free – no pinching Description Meet the SPANX Invisible Shaping Tank—the ideal base layer for a polished, put-together look. With its unique blend of spandex and nylon, this breathable, sweat-wicking tank allows you to feel fresh and comfortable all day long. Plus, the sleek construction ensures a smooth silhouette under any outfit. The SPANX Invisible Shaping Tank is engineered for all-day comfort. Made with 77% nylon and 23% elastane, the bodice offers lightweight shaping. It's the ultimate sleek base layer that makes you forget you're wearing it while it works its magic