‘thirty years ago, jeans were only available in three shades: rinsed, stonewashed and bleached. today those three shades have exploded into endless variations, all produced with very labor-intensive jobs and long lists of chemical formulations,’ said bart sights, vice president of technical innovation at levi strauss & co. ‘we’re designing a cleaner jean for the planet and the people who make levi’s jeans, and we’re doing it on a scale that no one else has achieved to date.’