DWR (durable water repellent) fabric finish repels light rain and snow and decreases dry times. When DWR is used in conjunction with a waterproof/breathable barrier, the DWR finish keeps the outer fabric from becoming saturated, enabling the breathable barrier to do its job. Patagonia has long relied on a DWR with perfluorinated compound (PFC) but we have been searching diligently for an alternative because of its harmful environmental impacts.
DWR (durable water repellent)
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