Vented Rear

Some small markings near the bottom of the jacket no more than 1cm big and quite faint

but the thick all cotton material still holds up today

The liner although stating the same size

British Army S95 DPM Camouflage Windproof Combat Smock - Medium 170/96 Denmark Vented RearAt a glance Windproof & Shower Resistant Gabardine Cotton Material 4 Large Canadian Button Pockets, Velcro Shoulder Pouch & 2 Hidden Zip Pockets Zipper & Velcro Front Closure Adjustable Collar Soldier 95 S95 Series Interior Torso & Waist Drawstrings Velcro Adjustable Cuffs Heavy Duty & Hard Wearing Iconic British DPM (Disruptive Pattern Material) Camouflage Colourway Chest Size: 48" Estimated Size: Medium Slim Label suggests a chest of 96cm Sleeve