This one of a kind tank fits the skin but not tight, and has elasticity. It can be used as a choice for chores, layering, wearing alone, of just for comfort! 

Is womens sizing.  Fits true to that.  Size up one if don't want it too tight.

S-2xl 

Poly/Spandex 

These are made as ordering so have a longer turnaround time and may ship from different warehouses.