Material World is a weekly roundup of innovations and ideas that are reshaping the materials sector. It covers the latest developments in how fashion is designed, engineered, and scaled—from emerging biomaterials and next-generation leathers to engineered fibers and sustainable alternatives.
Polartec reworks Alpha for life outside the lining
Polartec is updating its Alpha active insulation platform with a patent-pending construction designed to address snagging and shedding as brands increasingly use the material as a visible or standalone layer.
Originally developed for highly active military users, Alpha uses an open structure that balances insulation with airflow as activity levels change. The material later moved into outdoor and endurance apparel, where its lightweight warmth, breathability, quick-drying properties and packability made it an alternative to more static forms of insulation.
The next-generation construction is intended to improve the fabric’s structural integrity without closing the open architecture responsible for its airflow and thermoregulation, according to the Milliken & Co.-owned textile manufacturer.
Polartec said the redesign followed more than four years of collaboration, prototyping and testing with performance brands. The company is also expanding the range of available constructions, weights and textures, giving designers more control over hand feel, appearance and performance.
“Our challenge was to make Alpha more durable and versatile without sacrificing the structure responsible for its performance,” said Karen Beattie, director of product management at Polartec. “The patent-pending construction allows us to preserve what people value about Alpha while giving designers a stronger and more adaptable platform for what comes next.”
More than 11 brands are preparing products using the updated platform. Patagonia plans to introduce an exclusive style in November, while Ornot, Purple Mountain Observatory, Senchi Designs, Farpointe and Goldwin are among the companies expected to use either the new Alpha construction or Alpha with Wool for fall and winter 2026.
Polartec did not provide comparative snagging, shedding or durability results with the announcement.
Researchers map how UV treatment pulls PFAS apart
Scientists at the University of California, Riverside have taken a closer look at the chain of chemical reactions involved in destroying PFAS using ultraviolet light and sulfite.
The findings, published in the journal Nature Water, could help researchers refine treatment conditions and develop more effective technology combinations to break down these persistent compounds.
PFAS have historically been used to give textiles resistance to water, grease and stains. Their exceptionally strong carbon-fluorine bonds also allow the chemicals to persist in the environment, earning them the “forever chemicals” nickname.
The UC Riverside researchers found that UV light and sulfite generate highly reactive hydrated electrons that attack PFAS molecules and begin breaking their carbon-fluorine bonds. Fluorine is then released into the water as fluoride ions, while hydroxyl radicals and hydroxide ions help sever carbon-carbon bonds in the remaining molecular chains.
The resulting shorter-chain compounds can undergo additional defluorination, progressively dismantling the original PFAS molecules. The work also revises some degradation mechanisms described in earlier scientific literature, which the researchers said had relied largely on assumptions rather than experimental evidence.
“Knowing this degradation mechanism gives us a better understanding of how to optimize the conditions for PFAS destruction and achieve deeper degradation and gives us a much better roadmap for improving the technology,” said Jinyong Liu, a UC Riverside associate professor of chemical and environmental engineering and the study’s corresponding author.
The study examines what happens as UV-sulfite treatment breaks PFAS apart. Researchers can use those findings to adjust treatment conditions and determine which additional processes might help destroy the remaining compounds.
Pontetorto wins Eco Award for biobased fleece
Italian textile manufacturer Pontetorto won the Performance Days Eco Award for its Fleece 6140/Biobased, a polyester microfleece made with UPM’s wood-derived feedstock through a mass-balance system.
Fleece 6140/Biobased incorporates biobased polyester made using feedstock from UPM. Pontetorto said the inputs originate from wood-industry residues, including small branches, leaves and sawmill byproducts, with wood sourced from forests certified to Forest Stewardship Council (FSC) and Program for the Endorsement of Forest Certification (PEFC) standards.
Performance Days described the material as using wood-derived bio-PET through a mass-balance approach. Under that accounting system, renewable and fossil-based raw materials can be combined during production, with an allocated share of the resulting material attributed to the renewable feedstock rather than kept physically separate throughout the process.
Pontetorto says the fleece has a smaller carbon footprint than conventional polyester while offering comparable comfort and performance. The announcement did not specify the carbon savings or the fabric’s biobased content.
UPM started commercial production at its Leuna, Germany, biorefinery in late 2025. The plant makes renewable glycols, ingredients used to produce polyester that are usually derived from fossil fuels.
“We accept this award with pride and a sense of responsibility,” said Marco Toccafondi, general manager of Pontetorto, calling it the result of work by the company’s development team.
Outerknown gives recycled wool the fleece treatment
Outerknown expanded its Woolaroo collection for fall 2026 with fleece made from Italian textile manufacturer Manteco’s MWool recycled wool.
The fleece fabric contains 100 percent recycled wool sourced from secondhand garments, factory scraps and other pre- and post-consumer materials, according to the brand. Its colors and patterns are created by blending reclaimed fibers rather than adding new dyes.
“Most fleece is just plastic in disguise,” said John Moore, Outerknown’s co-founder and creative director. “By partnering with Manteco, we’re taking wool that comes largely from secondhand garments and factory scraps and transforming it into something unbelievably soft, warm and breathable, without relying on plastic-based fibers.”
The collection includes jackets, vests, hoodies and shirt jackets, with a new women’s Cocoon Jacket featuring an organic cotton lining and corozo nut buttons. The range is available now.
Hyosung takes recycled yarn on a K-Pop run
Hyosung TNC supplied its Regen Askin recycled polyester yarn for the official shirts at Smtown Run Club 26, an SM Entertainment event held Oct. 3 in Incheon, South Korea.
The yarn combines recycled content with cooling, quick-drying and UV-protection features, according to Hyosung. As a main sponsor, the company also hosted a booth explaining how PET bottles become yarn and gathered participants’ feedback on the functions they want in performance apparel.
Hyosung said it plans to use that feedback to inform future material development.
Wulcea turns up the heat with graphene
Wulcea introduced a heated-jacket collection using its proprietary GrapheneNano technology, with flexible graphene heating elements, six heating zones and three temperature settings.
The lineup includes a men’s hardshell jacket and a women’s color-blocked ski jacket. Wulcea says the jackets begin heating within three seconds and can provide up to 10 hours of warmth on the lowest setting using an 18,400mAh battery pack.
The 12-volt system includes a temperature control that stops heating when internal temperatures exceed 131 degrees Fahrenheit, according to the company. The broader range also includes softshell jackets and heated vests.