Damsons Lindsey Overalls Denim

Hard-wearing with a series of practical features including a laid-on carpenter’s pocket and an extra internal pocket only revealed when the straps and bib are folded down.
Although made famous by Levi Strauss in the 1850s, the origins of the name date back far earlier and originated in India where the fabric for making working clothes was called 'Dungri'
As the fabric and the concept of the Dungaree entered the US, it was made famous by Levi Strauss where the bib and trouser came together to create the first overall.
This new form of workwear was quickly adopted by ever hard labour industry and even color coded based on your role.