Sizes: bust size / actual measurements
Small 30-32”(76-81cm) / 38.5” (98cm)
Medium 34-36”(86-91cm) / 44”(112cm)
Large 38-40”(97-102cm) / 49.75”(126cm)
X-Large 42-44”(107-112cm) / 55.25”(140cm)

Yarn Requirements: Aran weight, 100g balls
Long jacket: 6 (7, 8, 9) balls
Short jacket: 5 (6, 7, 9) balls

Sirdar website link: Denim Sport Aran 9145