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