Crap rubber soled ankle boots introduced to replace Ammo boots. DMS allegedly stood for 'dems my shoes', which is a better explanation than "Directly Moulded Sole".
In a nod to the Drill pigs, they had a nice stitched line across the toecap that put a limit on how much you had to bull to a mirror-like shine. Of course, these were the days when any self-respecting barracks soldier actually wore bulled boots to go with his Trousers Lightweight and Jersey Heavy Wool.
Perhaps it was the fact that in those days, you could actually exchange clothing at the QM's store, without being told that the RQMS was only allowed to hold five pairs of CS95 and a cap badge for the battalion, and that those had all been issued.....