There is a hole about 2mm on the inner lining

Drawstring Adjustable Wrist Cuffs / Elasticated Wrist Cuffs

it is likely this jacket was made as a replacement for the airman afterwards

50% Cotton 50% Polyester Blend Material

British Army MTP Camouflage Brown UBACS Padded Combat Shirt - Large Belgium There is a hole aboutAt a glance 70% Cotton & 30% Polyester Blend Material Pullover Design 2 Velcro Sleeve Pockets Button Adjustable Cuffs 1 4 Zipper Funnel Neck Collar Padded Sleeves Khaki Brown Body British MTP Multi Terrain Pattern Camouflage Chest Size: 46" Suggested Size: Medium Regular Label reads "LARGE" Collar to Hem: 31" Modern Militaria Issued 2011 Onward Present Day Genuine British Army Surplus MOD Surplus Grades Grade 1 Good condition, previously issued with