NWT Lululemon Key to Balance Tank in Heritage 365 Camo Deep Coal Multi (black and gray csmo). Through every bend and stretch, find the balance you seek and the coverage you need in this high-neck tank, powered by Nulu fabric. Nulu (same fabric as Aligns) is buttery soft, stretchy, and sweat wicking. Intended to provide light support for a B/C cup. Tight fit contours your body. Cropped length pairs perfect with high rise pants. Crossback straps with keyhole. Includes removable cups.