This is most probably due to varying quantities of dye

with around 50 countries choosing it at one point or another

Sleeve Length: 23" / Short - Label states height around 154cm

There is plenty of velcro spots to affix your desired patches onto

British Army MTP Camouflage Warm Weather Combat Jacket - Royal Marines Commando - 170/96 DDR This is most probably dueAt a glance 30% Polyester 70% Cotton Blend Material Zipper & Velcro Front Closure 2 Large Velcro Chest Pockets & 1 Either Sleeve "ROYAL MARINES COMMANDO" Sleeve Patches Turnover Storm Collar Reinforced Elbow Pads Lightweight Adjustable Wrist Cuffs British Multi Terrain Pattern MTP Camouflage Current Issue Design Chest Size: 42" Suggested Size: Medium Slim Label states a chest around "96"cm Sleeve Length: 22" Short Label states height around "170"cm