Lululemon Dark Heather Grey Meant to Move Athletic short Sleeve Top T-Shirt SM

Lululemon Dark Heather Grey Meant to Move Athletic short Sleeve Workout Top T-Shirt. I cant find the size tag but I believe this is a size 4 , I cannot remember the size when I got it, but fits like a true Small. Mannequin bust is a size XS. Approximately 15 inches across chest laying flat. Lightly worn great condition.