Lululemon tank, longer length, Pink with mint stitching, built in Bra, size 6?

Lululemon top with built in bra and cups. Thin straps on the front with thin racer back. FAVE: Built-in bra top Pale Pink mottled color with mint green stitching. No size dot. I would think it’s about a 4-6. See measurements Pit to pit 15 inches unstretched Length 25 inches from strap top Good used condition C103