The Columbia Shimmering Light Racerback Tank Top is a perfect pick for working out or exploring the outdoors. This sleeveless top features an internal bra, an interior drawcord and 4-way comfort stretch for a full range of mobility. Omni-Wick technology pulls moisture away from the skin to keep you light and dry. The top is made of a 94% modal and 6% elastane jersey blend. Center back length: 24.5''. Material: Modal, Elastane.