Peekaboo mesh adds a sexy touch, and a bonded underbust lifts without underwire. Adjustable straps and back let you modify your fit. Straps can also be crisscrossed to stay hidden under racerback tank tops. Body/Corps: 62% Nylon, 38% Spandex Mesh: 64.4% Nylon, 35.6% Spandex does not include removable cups