Enter code SEWGOOD for 25% off the Eco Couture Collection through June 22.

At MARCYTILTON.com, we believe beauty and integrity go hand in hand. That’s why we seek out fabrics with certifications that speak to both quality and conscience. You’ve seen names like Oeko-Tex®, EcoVero™, and Lenzing™ in our fabric descriptions—here’s what they mean.

Oeko-Tex® is your assurance that a fabric has been rigorously tested and certified free from harmful substances—right down to the last dye molecule. It’s a trusted global standard for safe, skin-friendly textiles, and a quiet guarantee that what touches your body is clean, breathable, and responsibly made.

EcoVero™ is the next generation of sustainable viscose. Made by Lenzing™ from renewable wood sources and produced with up to 50% lower emissions and water impact, EcoVero™ fibers are soft, elegant, and traceable from forest to fabric. When you sew with EcoVero™, you’re crafting beauty with a lighter footprint.

TENCEL™, also developed by Lenzing™, is a fiber derived from sustainably harvested wood, most often eucalyptus, processed in a closed-loop system that recycles nearly all water and solvents. Known for its silky hand, exceptional drape, and breathability, TENCEL™ blends the elegance of natural fibers with the performance of innovation. It’s a favorite for garments that feel as good as they look—and it’s as gentle on the earth as it is on your skin.

And Lenzing™, the Austrian innovator behind both EcoVero™ and TENCEL™, leads the way in circular fiber systems. Their fabrics are not only silky and strong—they’re created through closed-loop processes that recycle water and solvents, keeping waste out of waterways and style in your wardrobe.

These certifications aren’t just labels—they’re signals of a better way to sew. Explore our collection of certified fabrics and feel the difference—for yourself and for the planet.

Enter code SEWGOOD for 25% off the Eco Couture Collection through June 22.