look at the "to fit bust circumference" measurements on the previous page

The body is knitted in the round on a circular needle and the sleeves are knitted in the round on double-pointed needles or using the Magic Loop technique

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and if you don't like that

Bérénice - Goéland recycled silk look at the "to fitBrnice from the French brand De Rerum Natura is a mohair yarn that contains both silk and merino wool in a unique blend of extra fine fiber from angora goat mixed with the rustic organic Merino d'Arles. The fibers are blended and twisted into loops around a core of shiny silk and then combed. This creates a mohair yarn with both a rustic and fluffy soft feel! De Rerum Natura works only with ethical and organic producers, and we are incredibly happy,