It's a size Large but fits me like a Medium, my chest size/bust is 44-1/2 so you can go based off that. Hope this helps, it was only worn once since it didn't fit.If you have any questions do not hesitate to send me a message. This item is in the category "Sporting Goods\Camping & Hiking\Camping Cooking Supplies\Camping Ice Boxes & Coolers". The seller is "jack22san" and is located in this country: US. This item can be shipped to United States.