NWT Speedo M Powerflex Eco Mesh High Neck 1PC Swimsuit Black 110526 Speedo Powerflex Eco Mesh High Neck One Piece Swimsuit Dive in with this super sporty one-piece, featuring a high neckline, partial zipper front, and mesh paneling that creates a contemporary look. Made of nylon, Xtra Life Lycra, spandex and polyester. High neckline with partial zipper front. Cupless top front Mesh panels around neckline, back and armholes. Mesh lining at front. Opaque front and back panels. Circular mesh panels at sides. Racerback mesh straps have covered elastic at edges. Covered elastic along leg openings for a custom fit. Silicone-gripper elastic along leg openings to keep in place. One-piece swimsuit provides full rear coverage.