This is a perfect short sweater to wear over a top or t-shirt. It is a fast knitted short sweater on needle 15 mm knitted from the top down.
There are many options regarding the material depending on what look you want.

X-small = 100 gr. (2 skeins)
Small = 100 gr. (2 skeins)
Medium = 150 gr. (3 skeins)
Large = 150 gr. (3 skeins)