Label states "56"cm | Suggested Size: Small

As for features

This particular pair belonged to a Captain Tollemarch

No holes or tears but there's a few markings

Small snag about 3mm on the back right sleeve

British Army Woodland MTP Camo Parachutist's Smock - Medium 160/96 DDR Label states "56"cm | SuggestedAt a glance 70% Cotton & 30% Polyester Blend Material 4 Large Stud Button Pockets, 2 Sleeve Pockets & Internal Fishtail Pouch Zipper Closure Elasticated Knit Cuffs Shoulder Epaulettes Storm Collar Soft & Comfortable Material Interior Torso & Waist Drawstrings British Flag Patch Heavy Duty & Hard Wearing British MTP Camouflage Colourway Pit to Pit: 24" Suggested Size: Medium Slim Label suggests a chest around 96cm Sleeve Length: 22" X Short Label