And if need be

Internal Drawstring Closures

it was often worn as a light cover for ceremonial dress uniforms

Or if you prefer it shorter

Looks to have had repairs made below the one pocket

British Army 85 Pattern Woodland DPM Camo Combat Smock - Medium SIZE 2 Eastern And if need beAt a glance Windproof Heavy Cotton Material 4 Large Button Pockets, 1 Sleeve Pocket 1 Internal Fishtail Pouch, 4 Internal Rear Pouches & 1 Internal Chest Pouch Zipper & Button Front Closure Adjustable Cuffs 1985 Pattern P85 Series Combat Set Shoulder Epaulettes Soft & Comfortable Material Interior Torso & Waist Drawstrings Falklands Heavy Duty & Hard Wearing Vibrant 85 Pattern DPM Woodland Camouflage Colourway Pit to Pit: 22. 5" Suggested Size: Medium