DWR (Durable Water Repellency): Explained & Demonstrated

Demonstrating the importance of DWR and a brief explanation of how to maintain it.
Not mentioned was the Nikwax and other products available that help renew the DWR on the fabric once the original DWR is no longer working.
Waterproof, as well as softshell and windproof fabrics, will all have DWR applied.