2025 Tummy Control Tested: Neon One Piece vs. Slimming Suit When we first laid eyes on the popvil Women's One Piece Swimsuits 2025, we were struck by its bold neon hues and sculpted silhouette. The tummy-control design promised to offer subtle shaping without sacrificing comfort, a balance we've come to appreciate in our own search for the perfect beach fit. Our test involved everything from casual poolside lounging to active yoga sessions, and the suit held up remarkably well. The breathable fabric, a mix of elastic and stretchy mesh, moved with our body without clinging, while the strategic seams provided a flattering second-skin effect. We're impressed with how the neon color stays vibrant even after hours in the sun, and the sleek one-piece style keeps us cool and confident. Though the fit is tight, it's not restrictive, making it ideal for those who want both support and style. In our experience, it's a versatile choice for summer, blending functionality with a touch of modern flair.