Lululemon Athletica Like New leggings & tank set No sz tag-see measurement

Lululemon Like New leggings are in very good shape and measure approximately 13 in across the waist unstretched and 26 in inseam comes with Lululemon Like New tank very light green with grey stripe. No size tag. The pit to pit measures approximately 16 in., unstretched. I would guess both are xs/sm but can't say for sure.