Jacket in bad-dye denim by the famous workwear brand HEAD LIGHT HEADLIGHT has a lot of items like coveralls and overalls, but it's not the only one. What we have here is a G-jean type of thing, albeit with two pockets, but with a Levi's Unlike the second type, the pockets like the third type are attached to the inverted c It is distinctive. The date of manufacture is not known, but based on the design, a third model of Levi's was introduced I'm guessing it's from the mid-1960s onwards.
The two pockets on the chest area are attached at a slight angle. The stitching is bright orange, which is an interesting combination with the duller shade of bad-dye denim.
A tag with a logo that appears to represent a light. This is different from the tags often seen on coveralls.