On Running Women's The Movement Tank is engineered using stretch fabric that wicks moisture from the skin and is quick-drying to keep you dry and comfortable all day.  You can go from working out to hanging out in complete comfort. Simple yet stylish, its racerback is only part of the appeal. Clever seams on the sides and shoulders means this form-flattering design looks great with your workout gear, and keeps performing even when layered with your favorite off-duty looks.