At first glance, this looked more like a shrug to me. But after another look, it looks to me like it’s a full-length top. It’s just the slanted and open lace at the top give it the illusion of a short top.
You will need a crochet cotton and a No. 3 steel crochet hook.
If you enjoyed this free crochet pattern, you might also enjoy more designs made available on Free Vintage Crochet.