Niko and... Japan brand corduroy beige pullover top bishop sleeves

Niko and... Japan brand corduroy beige pullover top 58% Cotton, 39% Polyester, 3% Polyurethane Please check the measurements in the photos! Size tag says 4. I googled this brand size chart, but couldn't figure out what this means. I would say this is size medium. worn a few times:I got this as a gift, but too big on me cute bishop sleeves No pets, no smoking home