US sizes. Please order the size shown in the product description on the left side (not the Amazon size chart), the size information in the product description is accurate.
It looks really good layered on top of a Henley and kept unbuttoned as well. it Very warm and comfortable to wear relaxing or doing stuff in yard or campsite and for use in all types of outdoor activities from camping and sitting around a fire, taking a walk on a cool/cold evening
