Madewell shrunken cardigan

73% wool 27% polyamide blend sweater from Madewell in XXS. I got this second hand and I'm not sure if it's been shrunken or if it was always small. I wear a madewell XXS and it's form fitted but not too small on me (5'2 100lbs). There is also some pilling. In my care it was always hand washed and laid flat to air dry per care instructions. oatmeal/tan color.