Lululemon Swiftly Speed Long Sleeve in Blue Sz 12 Seamless

Preowned, has some pilling around top. See last picture to get an idea. Does not have size tag/material tag, but size is visible on bottom hem. Size 12 Approx measurements are taken flat and unstretched Pit to pit 19" Length 23" Color is like a mineral blue Possibly a Swiftly Tech or Swiftly Speed. Difficult to ascertain.