The bottom of the trousers offer adjustable cuffs to help insulate and does give a bit of breathing room with the quilting so you don't accidentally suck up any water in wet weather

Among the seas of khakis

but this doesn't seem to impact the coat itself

likely from when the patch was unsewn

Classic Austrian Olive Drab Colour

Austrian Army Olive Drab Anzug 03 Alpine Jacket - Medium 88-92 III/IV Utility The bottom of the trousersAt a glance Polyester & Cotton Blend Material 2 Zipper Pockets, Sleeve Pocket & Internal Pockets Button & Zipper Closure Interior Torso & Waist Drawstrings Button Adjustable Cuffs Button Wind Flap & Zipper Front Heavy Duty & Hard Wearing Solid Olive Drab Colour Pit to Pit: 25" Suggested Size: Medium Slim Label states chest from 88 92cm Can be sized up! Sleeve Length: 25" Regular Austrian III IV Collar to Hem: 28" Modern Militaria Dated 2005 Genuine