Expert Perspective: This chic and versatile mock neck sweater tank, made of pure cotton, offers subtle texture and a classic fit that follows your contours with just the right amount of room. Sleeveless and hitting at the natural waist, this top is an understated staple that measures 21 1/2″ in length. Crafted from 100% cotton and easily cared for with machine washing, this top is a must-have for any wardrobe. STYLE # 751429.