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eVent vs. GTX: A Technical Comparison Guide for Membrane Selection


As the two main waterproof technologies in outdoor gear, the core difference between eVent membrane and GTX membrane lies in their breathable mechanisms and oil-repellent processing techniques. The eVent membrane utilizes a revolutionary Direct Venting™ Breathable technology, which through a special chemical treatment, keeps the ePTFE micropores permanently open, achieving a "free-breathing" effect. Laboratory data shows that, in an environment with 30% humidity, its breathability performance is twice that of GTX membrane, maintaining a 30% advantage even in high humidity (70%) conditions.

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