Measurements roughly

Arm pit to arm pit.    25"

Neck to bottom of shirt.  24"

Sleeves shoulder to wrist.  24"

Believe its size adult Large

Has some work stains marks that may come out from professional cleaning.  (see pics)

The Milwaukee Heavy Duty Electric Tools Insulated Work Jacket by K-Products is a durable and protective garment designed for adults in size Large. The jacket features a red color and a stylish design, making it both functional and fashionable for those working with electric tools. With its insulated construction, this jacket provides added warmth and protection in colder work environments, ensuring the safety and comfort of the wearer throughout the workday.