Raw Cut - Issue No. 008

Two weeks ago, we went back thousands of years to where indigo began. Last week, we got into the chemistry of how a yellow-green vat becomes blue denim.

This week, we're following the supply chain. Because if you've ever wondered what it really takes to make a pair of jeans in America, there's one ingredient that changes the entire conversation.

Let's say you wanted to build the most American pair of jeans possible. The cotton is grown in Georgia. The yarn is spun in North Carolina. The fabric is woven and dyed in Georgia. The jeans are cut and sewn in North Carolina. Sounds like a 100% American-made pair of jeans.

Except it isn't. Because the one thing that gives denim its color almost certainly came from somewhere else.

There is no commercial producer of synthetic indigo in the United States today. The last one was Buffalo Color Corporation in Buffalo, New York.

For decades, Buffalo Color produced synthetic indigo for the North American denim industry, and at one point it was the only commercial producer on the continent. But as lower-priced imports flooded the market, the economics became impossible, and the company closed in 2003, ending commercial synthetic indigo production in the United States for good.

Since then, if you're dyeing denim in America, you're almost certainly dyeing it with indigo made somewhere else.

Today, much of the world's synthetic indigo comes from a surprisingly small number of manufacturers. Companies like DyStar operate facilities in Germany, Brazil, India, and China. While Chinese producers, particularly in Inner Mongolia, now account for more than half of global production.

Which means a denim mill in North Carolina and a mill in Japan could be buying indigo that originated from the same handful of factories.

You'd think that would make every pair of jeans look the same. It doesn't, because buying the dye is only the beginning. The indigo itself is sold in different grades of purity.

Mills choose between powder indigo and pre-reduced liquid indigo. They build their dye vats differently and manage the chemistry differently. They choose different color casts, different weft yarns, different dyeing methods, and different numbers of dips through the indigo baths.

The blue may start in the same drum. It rarely ends the same way. Which is exactly why experienced denim enthusiasts can often recognize fabric from different mills at a glance, even when the indigo itself may have come from the same global supplier.

So why not avoid all of this and use natural indigo instead? Some brands do. Natural indigo is still produced from the Indigofera plant, just as it has been for thousands of years.

In Japan, artisans continue making traditional sukumo indigo through a months-long fermentation process before a single yarn is ever dyed, and brands that use it embrace its depth, character, and unpredictability. The catch is scale.

Natural indigo is expensive, labor-intensive, and incredibly difficult to produce consistently. Every harvest is different, every fermentation behaves a little differently, and that's part of its appeal. But it's also why it remains the exception rather than the rule for modern denim production.

Synthetic indigo won because it could deliver the same starting point every time. Ironically, that's exactly what allows mills to make fabrics that look completely different.

Three weeks ago, this series started with a plant growing in a field. It ends with a realization that's much less obvious.

We can grow American cotton.

We can spin American yarn.

We can weave American fabric and dye that fabric in an American mill.

We can even sew it into jeans in an American workshop.

Nearly every piece of it can be American, except the one thing that makes it blue. Unless someone starts making indigo here again, the blue itself still has to cross an ocean before it ever reaches the vat.

Sometimes the hardest part of making something in America isn't the craftsmanship. It's finding the ingredients.

Turns out even raw denim has a heat limit.

After a 114°F heat index, the Rookie has given the Fader three days off. Not a wash. Not a surrender. Just a tactical retreat from a Southern summer that's become personally offensive.

The jeans are back on the hanger, waiting for temperatures that don't feel like the inside of a smoker.

The next chapter is already decided. You'll find the verdict below.

Here's this week’s dispatch.