When we spot a hint of greatness, we give it a second look. We explore untapped possibilities and find a way to make it something truly special. This is how, after decades of research and asking the right questions, CovationBio scientists discovered a way to produce PDO—a building block with endlessly versatile potential—using a biological process that would have a global impact.


Sorona® Aura insulation provides long-lasting shape and warmth for any climate, from jackets and pants to gloves and hats.

It’s breathable and retains warmth with less filling and weight, creating a more comfortable garment.

It’s partially plant based which reduces its impact on the environment and certified by the Sorona® Common Thread Fabric Certification Program to ensure the origin and the high-performance standards of this innovative, sustainably sourced insulation.

It maintains its loft wash after wash, so you can look good and stay warm day after day.

The Sorona® polymer gives you the opportunity to offer a more eco-conscious product without compromising performance or increasing cost of production. Sorona® is more than the change we need – it’s an innovation that allows personal expression while activating a shared desire to improve our world.

Sorona® fabrics are tested for content and performance through our Common Thread Certification Program. The transparency and traceability of this program ensures that your choice to partner with Sorona® is meaningful and impactful, today and in the future.



OEKO-TEX STANDARD 100 Sorona® fiber has undergone stringent testing and has been proven to be safe for use by adult products with direct, prolonged skin contact, earning it Class ll certification from Standard 100 by OEKO-TEX®.

BLUESIGN® SYSTEM PARTNER The bluesign® system unites the textile supply chain to jointly reduce its impact on people and the environment, ensure responsible use of resources, and guarantee the highest level of consumer safety.

USDA BIOPREFERRED Sorona® renewably sourced fiber is one of the first 11 products approved as part of the United States Department of Agriculture (USDA) BioPreferred Program for certified bio-based products.

SUSTAINABLE APPAREL COALITION MEMBER The Sustainable Apparel Coalition’s vision is of an apparel, footwear, and textiles industry that produces no unnecessary environmental harm and has a positive impact on the people and communities associated with its activities. The Coalition develops the Higg Index, a set of standardized supply chain measurement tools for all industry participants.

FROST & SULLIVA In 2017, DuPont received the Frost & Sullivan Best Practices Award for European Bio-Based Materials Company of the Year because of its innovative work with Sorona® fiber.