Transcript for Made in the USA All the Way Down to the Farm
? ? Finally tonight, made in America. And more clothing coming back. And this evening, the promise for some clothes made here that you can trace the cotton right to the farmer. That's the beat of a brand looking to bring back more clothing made in America. And tonight, carhartt's 2,000 workers across four factories, three states, glad to hear it. I think people are really tired of feeling like everything is coming from some other country. Reporter: They now have a made in the usa line, knowing the value of that label. And they're not the only ones. More than comfortable, made in America. American giant in San Francisco. The cotton fields, factories in four states. And the lab here in north Carolina. Where Jodi takes us in. Cutting the sweatshirt fabric right in front of us. Look at the two red sweatshirts side by side. The one of the right and how little color it left in the wash. Look at the one on the left and how much color it left behind. The one on the right, the American giant. As a matter of fact, while I was performing the testing, I didn't know what the American giant product was until after it was all done. Reporter: And then, the all-american clothing company. We ordered a pair of jeans from them before. They arrived with a guarantee. Enter the code on your jeans, and it takes you straight to the farmer who grew the cotton. Hi, David! Reporter: We met the nickel family a year ago, but tonight, the company taking it even further. You can now trace their t-shirts, too. The cotton, from hundreds of American farms. And after our first report -- We experienced a 52% growth rate. Reporter: Opening another plant. But we still wondered, what about grandpa Lawson and Maddie in that field last year? Hi, David! Reporter: Right there again tonight. And the message from Maddie, now in the seventh grade. Thank you for supporting all-american clothing company. And her wave. And listen to mom behind the camera. Just covered grandpa's face. I love you. That was awesome. She did say, I love you, grandpa. Made in America for tonight. And I'm David Muir. I hope to see you right back here tomorrow night. In the meantime, have a good evening.
This transcript has been automatically generated and may not be 100% accurate.