Another source suggests it was simply because the Romanian army wasn't able to standardise colouring in the various factories until a few years later

2 Large Chest Pockets & 2 Large Hip Pockets

This particular jacket has 2 patches

or to balance out a vibrant bold outfit

Durable Ripstop Material

West German Army Field Grey Long Sleeve Field Shirt Coverall Another source suggests it wasAt a glance Durable Wool & Cotton Blend Material 2 Button Chest Pockets & 1 Internal Adjustable Sleeve Cuffs Shoulder Epaulettes Armpit Vents Long Sleeve German Flag Sleeve Patches Solid Field Grey Colour Becoming Scarce Chest Size: 38" Medium Slim Label states 90 95cm Sleeve Length: 23" Short Label states height of 170 180cm Collar to Hem: 28" Vintage Militaria Cold War Era 1960's Genuine West Germany Army Bundeswehr Surplus Grades Grade 2 Original