Susilo Edi Turonggo
Every season, millions flock to snowy landscapes, embracing the thrill of skiing and snowboarding. Yet, beneath the pristine white, an unseen danger has lurked for decades: per- and poly-fluoroalkyl substances (PFAS). These synthetic chemicals, lauded for their water-repellent properties, have become an integral part of high-performance outdoor gear, from ski wax and snow boots to water-resistant apparel. However, their pervasive use has inadvertently introduced a class of "forever chemicals" into the environment, contaminating water, soil, wildlife, and even human bodies, raising profound questions about the sustainability and safety of our winter pursuits.
The Rise of "Forever Chemicals" in Outdoor Performance
Since the 1940s, PFAS chemicals have been engineered to deliver exceptional resistance to water, oil, and stains. Their unique molecular structure, characterized by incredibly strong carbon-fluorine bonds, makes them remarkably stable and virtually indestructible. This very property, which grants gear its durable water-repellent (DWR) finish, is also what earns them the moniker "forever chemicals." In the outdoor industry, DWR coatings ensure that water beads up and rolls off jackets and pants, keeping enthusiasts dry and comfortable in challenging conditions. The adoption of these chemicals became widespread, driven by a demand for peak performance in extreme environments. Manufacturers, keen to offer superior protection against the elements, integrated PFAS into a vast array of products, from technical jackets and insulated trousers to gloves and footwear, establishing them as an industry standard for water repellency.
A Global Contamination Crisis: Environmental and Health Ramifications
The environmental journey of PFAS begins almost immediately after manufacturing. From factories, they can be released into the air and water. Once a DWR-treated garment is worn, these chemicals begin to flake off, entering our homes, washing into our laundry systems, and eventually permeating waterways. In the wild, they shed directly into snow and soil, accumulating in ecosystems previously considered untouched. Scientific research has painted an alarming picture of their ubiquitous presence: PFAS have been detected in the blood of indigenous communities in the Arctic, far removed from industrial sources, and even in the snow samples collected from the summit of Mount Everest, a testament to their global transport through atmospheric and oceanic currents. Their presence at ski resorts, direct consequence of heavy use in outdoor clothing and gear, further underscores the localized contamination.
The implications for human and animal health are equally concerning. PFAS do not break down naturally and accumulate in biological tissues over time. Extensive research by institutions like the Green Science Policy Institute and the National Institute of Environmental Health Sciences (NIEHS) has linked various PFAS compounds to a litany of adverse health outcomes. These include an increased risk of several cancers (kidney, testicular, prostate, ovarian), reproductive issues such as miscarriage and infertility, hormonal disruption, thyroid disease, elevated cholesterol, weakened immune systems, and developmental effects in children. The pervasive nature of these chemicals is such that, according to the U.S. Centers for Disease Control and Prevention (CDC), detectable levels of PFAS are present in the blood of nearly all Americans, a stark reminder of the widespread exposure.
Navigating the Complexities of PFAS Terminology
The transition away from PFAS has been complicated by a confusing array of industry jargon. Initially, many brands used "PFC-free" to indicate a move away from certain fluorinated chemicals. However, "PFCs" (perfluorinated chemicals) are merely a subset of the broader "PFAS" family. Governments, regulatory bodies like the U.S. Environmental Protection Agency (EPA), and environmental advocates are increasingly advocating for the more comprehensive term "PFAS-free." The EPA estimates there are approximately 12,000 known types of PFAS, a number that has more than doubled in recent years as research progresses.
A critical distinction for consumers lies in understanding the nuances of "PFOA-free," "PFOS-free," "long-chain-free," or "C8-free" claims. While these terms indicate the absence of specific, well-studied PFAS compounds (like perfluorooctanoic acid and perfluorooctanesulfonic acid), they often imply the use of "short-chain" PFAS alternatives. Dr. Linda Birnbaum, a distinguished toxicologist and former director of the NIEHS, has cautioned against these substitutions. "Unless they say it’s PFAS-free, it may mean that they’re using some of what are called short-chain PFAS or the substitutes," she explains. "In fact, we’re finding some of them are actually transformed into things like PFOA and PFOS. And we’re finding that the ones even that are stable the way they are, when they’re tested are causing the same kind of health effects as the PFOA, the PFOS, the PFHxS, etc." This expert perspective highlights that simply replacing one problematic chemical with another, less-studied variant does not solve the underlying issue of persistent bioaccumulative toxins.
Industry’s Evolving Stance: Performance vs. Planet
For years, a common argument from some outdoor brands, including industry giants like Patagonia and Arc’Teryx, has been that non-toxic alternatives could not match the performance of fluorinated chemicals, especially for professional-grade gear. This stance has influenced certification bodies like bluesign and OEKO-TEX, which, in some instances, have approved the use of certain amounts of short-chain PFAS in the manufacturing processes of water-resistant products, reflecting the perceived technical challenges of complete elimination.
However, a growing body of evidence and real-world applications challenges this assertion. The Danish consumer protection association Tænk conducted comprehensive testing comparing fluorine-free outdoor wear with fluorine-containing items. Their conclusion was definitive: "Whether new or after a few washing cycles, the jackets with a PFC-free coating keep you just as dry as the other ones." Furthermore, adventurers pushing the limits in extreme environments, such as expeditions to the Arctic, have successfully relied on fluorine-free performance gear, confirming its ability to keep them warm and dry. This demonstrates that high performance and environmental responsibility are not mutually exclusive. The market is increasingly showing that consumer demand, coupled with scientific innovation, is driving a shift towards effective and safer alternatives.
The Path to PFAS-Free Winter Sports: Innovation and Consumer Empowerment
The good news for winter sports enthusiasts is that the industry is undergoing a significant transformation. Many brands are actively researching and implementing PFAS-free technologies, offering consumers a growing array of responsible choices.
Technological Advancements in DWR Alternatives:
The primary challenge has been to replicate the exceptional water and oil repellency of PFAS without their environmental cost. Innovations include:
- Bio-based DWRs: Companies are developing finishes derived from renewable resources, such as Teflon EcoElite (used by Picture Organic) and Organotex (used by Houdini). These plant-based or biomass-derived treatments offer water repellency without relying on fluorinated compounds.
- Non-fluorinated Polymer-based DWRs: Other synthetic polymers, free of fluorine, are being engineered to create similar surface tension effects that repel water. Bionic-Finish Eco, utilized by brands like Erin Snow, is an example of such a technology.
- Innovative Fabric Construction: Beyond surface treatments, advancements in fabric engineering play a crucial role. Brands like Pàramo employ "directional" fabric systems, which, much like roof tiles, physically coax water off the fabric through capillary action and weave structure, rather than relying solely on a chemical coating. This inherent water management system offers durable repellency without fluorocarbons.
Empowering Consumers with Maintenance and Longevity:
One perceived drawback of PFC-free DWR finishes is that they may not last as many wears or washes as their fluorinated counterparts. However, this is an easily remedied issue. Consumers can actively maintain and enhance the water repellency of their gear using PFAS-free re-proofing treatments. Brands like Nikwax offer wash-in or spray-on solutions that are free from fluorinated chemicals, allowing gear to be restored to optimal performance season after season. This practice not only keeps gear effective but also extends its lifespan, aligning with broader sustainability goals by reducing the need for frequent replacements. Applying these treatments at the end of each season, during routine gear cleaning and storage, ensures readiness for the next winter.
Furthermore, embracing a circular economy approach offers another avenue for responsible consumption. Purchasing secondhand outdoor gear, which has likely shed much of its original DWR coating, and then refinishing it with a safer, PFAS-free alternative, provides a sustainable option for accessing quality equipment without contributing to new chemical manufacturing.
Leading Brands in the PFAS-Free Movement
The shift towards PFAS-free products is gaining momentum, with a significant number of brands making concrete commitments. Consumers no longer need to compromise on performance or ethics, whether they are tackling Mount Everest or simply enjoying a local slope. Several brands have taken a leadership position in offering entirely fluorinated-chemical-free winter sports clothing and gear. This growing list is a testament to the industry’s capacity for innovation and responsiveness to environmental concerns.
(A comprehensive thank you is extended to the Green Science Policy Institute for their invaluable PFAS-free product list, which served as a foundational resource for this research.)
Winter Sports Brands With All-PFAS-Free Products:
- Icebreaker: Renowned for its cozy merino wool and synthetic-free base layers and accessories, Icebreaker also offers women’s jackets suitable for skiing or winter hiking. The brand has a long-standing commitment to avoiding long-chain PFAS and ceased using any short-chain PFAS in 2019, verifying its PFAS-free status through rigorous testing.
- Jack Wolfskin: This prominent European outdoor brand achieved entirely PFC-free status across its product range as of 2019, demonstrating a strong commitment to environmental responsibility. Unfortunately, its direct availability in the U.S. market is currently limited.
- KEEN Footwear: A leader in outdoor shoes, KEEN has an extensive collection of snow boots and winter-ready footwear. The company has been entirely PFC-free since 2018, underscoring its dedication to sustainable manufacturing practices.
- Houdini: This innovative European brand provides gear for both downhill and cross-country skiing, notably utilizing recycled materials. Houdini is entirely toxic-free, incorporating Atmos, a PFAS-free membrane, and employing bio-based water repellency treatments from Organotex.
- Páramo: Specializing in mountaineering gear, Páramo has been entirely PFC-free since 2014. Their commitment highlights that high-performance equipment can be achieved without fluorinated chemicals, often relying on unique fabric construction.
- Vaude: This German outdoor brand offers a wide array of ski touring clothing and equipment. Vaude has proudly maintained an entirely PFC-free product line since 2018, showcasing its comprehensive environmental strategy.
- Lundhags: A Swedish company focused on hiking and ski-touring, Lundhags provides entirely fluorinated-chemical-free ski boots and ice safety equipment, emphasizing durability and sustainability.
- Picture Organic: Known for its stylish and vibrant ski clothing, Picture Organic achieves its entirely PFC-free status through the use of Teflon EcoElite, a bio-based and non-fluorinated finish.
- Royal Robbins: This brand has committed to using only fluorine-free durable water repellents across all its products, demonstrating a consistent focus on safer chemical alternatives.
- Erin Snow: Dedicated to creating chemically safe snow sports clothing, Erin Snow utilizes Bionic-Finish Eco, a PFC-free durable water repellent, ensuring both performance and environmental integrity.
- Patagonia: A major player in the outdoor industry, Patagonia has announced a significant shift. As of spring 2025, all new products with durable water repellency will be PFAS-free. This commitment from such an influential brand signals a major turning point for the entire industry.
A Future Without Forever Chemicals
The widespread presence of PFAS in our environment and bodies presents a complex challenge, but the growing awareness, coupled with concerted efforts from scientific communities, regulatory bodies, and pioneering brands, is driving meaningful change. The narrative is shifting from one of necessity to one of innovation and responsibility. Consumers now possess the power of choice, enabling them to support brands that prioritize both performance and planetary health. By opting for PFAS-free gear, maintaining it responsibly, and advocating for broader industry change, winter sports enthusiasts can ensure their adventures leave only footprints in the snow, not persistent chemical legacies in the environment. The journey towards a truly sustainable outdoor industry is ongoing, but the path forward, clear of forever chemicals, is becoming increasingly visible.
Dwi Wanna
Walid Sujud Trenggono
Chandra Hamzah
