Yes, this jacket is official US Military Issue w/NSN number - not a reproduction.
Features:
Stand up zip through collar with stowable hood and draw cords
Sleeve pockets allow for sewn-on patches
Adjustable sleeve cuffs
Hidden map pocket
Non-freezing two way zipper with double storm flap
Insignia/badge loop on front placket
Nylon reinforced elbows
Zippered openings in underarm for ventilation
Drawstring waist with cord lock