Vintage. 

Real McCoy. 
MA-1 Intermediate Mans Flying Jacket. 
Olive green in colour. 
Zip fastening with Conmar zipper - if you study the photos you will there are issues with the zipper, some of the teeth have come away I am not sure if its possible to repair or if the jacket requires a zip replacement. 
Two waist height popper fastening pockets to the waist. 
Pen pockets to the left sleeve. 
Knitted collar, cuffs & waistband. 
Fully lined.
Two internal pockets. 

Condition: As previously mentioned there is damage to the zip but apart from that and a few minor age related marks the jacket is in overall good vintage condition. 

Size: Label reads small. 
Measurements
Armpit to armpit: 20". 
Nape of the neck to hem: 23". 
Shoulder seam to shoulder seam: 17.5". 
Shoulder seam to cuff: 24".