The face fabric, or the outermost layer, is like the bread. It’s coated with a durable water repellent (DWR) treatment that helps bead water and stop it from penetrating the outer layer.

usually treated with a durable water repellent (DWR) coating; followed by the actual waterproof layer often composed of techs like Gore-Tex or eVent; and a waterproof underlayer, a bonded ...