It is very similar to some Thai uniforms I have although the camo is of no Thai pattern I have seen before. I thought perhaps Philippines as they also used the US jungle cut, however, I am not familiar enough with Filipino camo to know for sure.
Although not shown, it also came with a similarly solidly constructed USMC type cap in the same camo pattern.
Note how the pigment of the black stripes has bled through on the pants - this has not been the case on the jacket material. I would describe the material weight as 'medium'. No tags or markings in any of the items whatsoever.