For further insulation you have elasticated wrist cuffs and waistband

Incredibly Durable & Hard Wearing

or simply put

Some signs of prior use but the hole is most noteworthy

Bottom Width: 56"

British Royal Navy No. 2B Mess Dress Jacket - Medium Fleck For further insulation you haveAt a glance 100% Wool Body Clasp Button Closure Engraved Royal Navy Anchor Buttons No. 2B Mess Dress Navy Surgeon Red Piping Fully Sateen Lined Golden Bullion Lieutenant Rank Cuff Laurels Elegant Black w Red & Golden Cuffs Pit to Pit: 19. 5" Suggested Size: Medium Slim Sleeve Length: 23. 5" Short Collar to Hem: 21" Vintage Militaria Issued 1970's 1980's Genuine British Royal Navy MOD Surplus Grades Grade 1 Fantastic condition, kept nicely by the last