This is a hooded varsity jacket for the MLB San Francisco Giants, made by Starter.
Manufacturer: Starter
Size: M (Shoulder width 49.0 cm / Bust 57.0 cm / Length 67.0 cm / Sleeve length 52.0 cm (measured by individual))
Material: Nylon
Although it's a vintage item, it's still warm and wearable.
Thank you for your consideration.