The Everyday Tank is just that -- the multi-purpose piece with just the right coverage to do it all. It's incredibly nuanced and considered for such a vital garment starting with the built-in shelf bra with removable cups that are perforate for ventilation and to control sweat when you wear it for activity. From a design standpoint, its hip-length fit, rib band and slimming rib textures work together to keep the brami in place. On the back, a skinny racer back allows for tremendous range of motion without interfering with your shoulder blades, with the optimal amount of coverage when you sweat. Built-in shelf bra Removable shelf bra cups, perforated for ventilation and to control sweat Racer back for optimal range of motion