Vintage crochet knit shirt sleeve top

Not the same item as modelled. No size tag, fits like a small/ medium for a fit similar to the modelled pic. Pit to pit 20”, length 22”, shoulder width 22” (seam to seam, fits with a drop shoulder if you’re smaller). Feels like cotton. In excellent condition. Colour is an oat beige. Really cute summer item to layer over a bralette.