The Lululemon Wunder Train Sweetheart Tank Top in black size 12 is a versatile and comfortable activewear top suitable for various occasions such as yoga, running, or training. Made from a blended fabric of polyester, lycra, and nylon, this sleeveless tank features wide straps and a sweetheart neckline for a stylish look. With a built-in bra and breathable material, this athletic top provides support and comfort during different seasons. The pullover closure and machine washable care make it convenient for everyday wear. Ideal for those who value practicality and style in their activewear wardrobe.