The “Moment of Truth”: Why Water-Resistant Zippers Are Your Last Line of Defense
You’ve invested in a backpack made from high-quality, water-resistant fabric. You feel prepared for a sudden downpour. But as the rain starts to fall, there’s a critical vulnerability you might have overlooked: the zippers. A standard zipper is simply a track of interlocking teeth, offering very little resistance to penetrating rain. Water can easily seep […]