Theory button up shirt and tank set light green

Theory 3/4 sleeve button up shirt and matching tank. The shirt is a semi-sheer dry-touch type of fabric. The material tag has been cut off but it feels like linen. The tank top is a perfect color match but has no tags. The model photos capture the color accurately. Excellent condition with no signs of wear. Size is theory “P”. I think it fits like xxs/xs/0