Pattern also includes instructions to knit this as a sleeveless tank/vest.

Sizes (by UK dress size):
10 - to fit bust 32”/81cm; actual size 32”/81cm
12 - to fit bust 34”/86cm; actual size 34”/86cm
14 - to fit bust 36”/91cm; actual size 36”/91cm
16 - to fit bust 38”/97cm; actual size 38”/97cm
18 - to fit bust 40”/102cm; actual size 40”/102cm
20 - to fit bust 42”/107cm; actual size 42”/107cm

Yarn Requirements: DK weight, 50g balls
Sweater: 8 (9, 9, 10, 10, 11) balls

Sirdar website link: Balmoral DK 9115