Main thing to note is that the jacket has markings across the piece as shown in the photos

something aided by the hood which can be fastened shut for wind protection

A fantastic piece of modern militaria coming from the British Royal Navy

Repair on the inner lining too

There's a few small yellow specks too

British Royal Navy Antique Cadet's Jacket - Royal Naval Academy - X Small Duty Belt Main thing to note isAt a glance 100% Wool Body Button Closure Engraved King's Crown Royal Navy Anchor Buttons by Gieves Hook & Eye Collar 2 Waist Pockets Midshipman's Style Worn at the Royal Naval Academy Portsmouth Scarce Elegant Black w Golden Button Details w White Collar Tabs Pit to Pit: 15" Suggested Size: X Small Slim Sleeve Length: 21. 5" X Short Collar to Hem: 18. 5" Vintage Militaria Circa Early 19th Century Interwar Period Genuine British Royal Navy MOD Surplus