The Vz 60 is quite "boring" at first sight. But when you examine it closely - especially the rear side of the clothing - you will notice a faint pattern, a bit resemblant of the WW2 German Waffen-SS patterns... Hmmm... Why? When you see the pattern under IR light (left below) you see why:
The pattern is called jehlicí ("needles") in Czech. It replaced the Mlok pattern worn by paratroopers.
On some examples of the uniform it is easier to see the IR pattern under visible light:
The pattern was introduced in 1963 and was used until into the 1980ies. On 1st of January 1993 Czechoslovakia was split into Czech Republic and Slovakia. Eventually other camouflage patterns was introduced by those two countries.
Vz 60 jacket:
Vz 60 long jacket ("kongo") worn with trousers and cap: