Lululemon Back In Action Long Sleeve Heathered Code Blue- gently worn in great condition but missing hang tag. Not 100% sure on the size but I would say probably a 12- it is meant to be oversized. A classic long sleeve you'll reach for again and again. The scooped back hem adds length when you want a bit more coverage. pima cotton Pima Cotton fabric is breathable and soft against your skin features • Designed for: On the Move • Lycra®: Added Lycra® fibre for shape retention • Relaxed fit: Gives you room to move without restriction • Coverage: Longer in back