Lululemon Heather Gray Long Sleeve Crewneck Athletic Top

Lululemon heather gray long sleeve crewneck athletic shirt. No rip tag and I can't remember the size. Please use measurements below for fit guidance. It fits like a loose Size 6, in my opinion. Thumb holes. Relaxed fit. Thin material. In good used condition. Material is a mix of Polyester and Nylon. Approx. Measurements: Width pit to pit = 20" Length = 24"