Bienvenu Womens Cotton Casual Athletic Solid Racerback Tank Top Materials: 80% cotton & 20% spandex, comfortable fabric Please note: before you ordered please see the size: Asia L: bust 28"-38.5",length 23"; Asia 2XL: bust 33"-43", length 24"; Asia 4XL: bust 40"-51", length 25.5" Lightweight fabric with stretch and classic racer back with a relaxed fit Whether you're running a marathon or just running to the store, the tank will serve your lifestyle's needs. Perfect for walking, running, yoga, sleeping or whatever else you throw at it