Lululemon cropped racerback tank in white with stripe detailing.
Lululemon logo on the back.
Pre-owned, no visible wear.
No original tags.
See pictures for fit and sizing details.

Sizing tag is missing. Based on the measurements shown in the photos, I can estimate the size using Lululemon's official sizing chart:
    •    Width The pit-to-pit measurement is approximately 16.5 inches across, which gives a total garment chest circumference of about 33 inches.
    •    Length The length from the top of the front neckline straight down to the bottom hem is approximately 15.5 inches.
According to Lululemon’s standard size guide, a 32-inch bust corresponds to a Size 4, and a 34-inch bust corresponds to a Size 6.
Because this tank top has a relaxed, flowy cut, a garment measuring 33 inches around the chest was likely designed to fit a 32-inch bust, making it most likely a Size 4 (or potentially a Size 6 if it's meant to be a more fitted style).