Adorable vintage IZOD pullover sweater. 100% cotton. Reminds me of Gucci! Tag says size L, definitely some stretch to the sweater since it's cotton. 

Size M/L

Measurements taken laying flat: 

Pit to pit 21.5"

Shoulder 21.5"

Length ( shoulder to bottom ) 23"

Model's measurements

5'6 , 34D    Waist - 28"    Thigh - 24"    Hip- 39.5"

Model wears size : M/6

Please note, these vintage and and second hand items have lived many lives. There may be some imperfections here and there. Anything major will be mentioned.