Is Gore-Tex Vegan? Material Facts & Alternatives

Vegan status: Vegan

Also known as: PTFE membrane, Expanded polytetrafluoroethylene, ePTFE

Origin

Synthetic — made from expanded polytetrafluoroethylene (ePTFE), a fluoropolymer membrane developed by W.L. Gore & Associates.

Environmental impact

Rating: high. PTFE is a perfluorocarbon (PFC) compound. PFAS chemicals are known as 'forever chemicals' — they accumulate in the environment and human body and do not break down. W.L. Gore & Associates committed to eliminating PFCs of environmental concern (PFCECs) from its products. By 2024–2025, the majority of new Gore-Tex product lines use ePE (expanded polyethylene) membrane technology, which is PFAS-free, rather than the legacy ePTFE membrane.

Durability

Exceptional. Waterproof, windproof, and breathable. Industry standard for outdoor performance.

Common uses

Hiking jackets, ski wear, running shoes, outdoor boots, military gear.

Notes

No animal products are used in Gore-Tex. The environmental concern relates to PFAS/PFC contamination rather than animal welfare. W.L. Gore transitioned most product lines to ePE membrane by 2024–2025, making new Gore-Tex garments largely PFAS-free — though legacy ePTFE stock remains in circulation. Alternative PFAS-free membrane technologies include Polartec NeoShell and Sympatex. DWR (durable water repellent) outer coatings on garments are a separate issue — look for 'PFC-free DWR' or 'C0 DWR' labelling.