DuPont joint venture provides renewable source for foot-friendly insoles


Matmarket is launching the latest version of Insite Contoura Insoles. The insoles feature 25 percent bio-based Susterra propanediol, a renewably sourced, plant-based building block from DuPont Tate & Lyle.

Compared with conventional petroleum-based alternatives, Susterra propanediol produces 48 percent less greenhouse gas emissions and uses 46 percent less nonrenewable energy, a release stated.

“The performance and sport science properties of Insite insoles are industry leading, and we are happy that Matmarket chose Susterra propanediol to help make these performance breakthroughs a reality,” said Steve Hurff, vice president of marketing & sales at DuPont Tate & Lyle Bio Products. “In addition, Susterra propanediol, a USDA Certified 100 percent bio-based product, enables a lower carbon footprint compared to petroleum-derived materials, meaning that brands and consumers no longer have to make tradeoffs for sustainability and performance.”

“We started developing with Susterra propanediol for the sustainability benefits, however, we ended up integrating it into all of our products since the material performance alone outperformed our non-bio alternatives,” stated Gregory Diharce, chief product officer at Matmarket LLC. “The partnership with Susterra allowed us to develop compounds that enhanced material performance and durability while reducing overall weight which we have not found with any other bio-product.”

Contoura insoles use polymer science and ergonomic shape. Insite insoles have proven to reduce hip, knee and ankle injuries by up to 36 percent when tested against footwear without ergonomic insoles, a release stated. It is also the first insole technology to measure the onset of fatigue.

Matmarket is a global, product-based company providing direct-to-brand manufacturing and product solutions since 2000 with a diverse range of products. Further information is available from

DuPont Tate & Lyle Bio Products is a joint venture between DuPont and Tate & Lyle, a renewable food and industrial ingredients company. DuPont Tate & Lyle Bio Products provides natural and renewably sourced ingredients that enhance product performance.

Further information is available at

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