An 80s vintage mens sports style jacket by Jaeger. It is made of blue-grey cotton blend fabric. The colour is a touch more blueish than in the pics.
It is labelled as a size small and is oversized. Please check these measurements:
Chest 48"
Shoulder to shoulder 22.5"
Nape to cuff 34"
Shoulder to base 26"
Circumference of base 32" - 40" (elasticated)
It is in good condition with a little light wear. There is a mark on the shoulder, please see the last pic. It isn't visible with the collar down.