Vintage French Work Wear Trousers. Was originally designed as a utilitarian garment, first worn by railway workers in France in the late 1800s and early 1900s. The French name – bleu de travail – literally translates to 'blue work', through the 1900s most countries in northern and central europe developed their own version of the "bleu de travail". Designed to be hard-wearing, comfortable and allow for free movement. This is without a doubt one of the most consistently selling categories in our collection, so grab yours now while stocks are available.