For further insulation you have elasticated wrist cuffs and waistband

There's also functional shoulder epaulettes if you need to fasten any gear to your person

and patches off of the lapel

Bottom Width: 56"

or simply put

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