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| Categories | Shoe Making Accessories | 
|---|---|
| Brand Name: | kingkung | 
| Model Number: | KK-HWD-R01 | 
| Place of Origin: | CHINA | 
| MOQ: | 1 set | 
| Payment Terms: | L/C, T/T, D/P | 
| Material: | TPU (Thermoplastic Polyurethane) | 
| Size: | Customizable | 
| Color: | Black / White / Transparent | 
| Waterproof Rating: | IPX7 | 
| Application: | Outdoor Jackets / Medical Garments | 
| Operating Temperature: | -30°C to +80°C | 
| Company Info. | 
| KingKung Technology Group Co.,ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Waterproof & Breathable Valve – The Smart Way to Stay Dry and Comfortable
What Is It?.
A waterproof and breathable valve is a tiny but mighty piece of engineering designed to solve a big problem: keeping moisture out while letting air flow in. Think of it as a "smart door" for your gear—whether it's a rain jacket, hiking boot, or high-tech backpack. It blocks water (like rain or splashes) but allows sweat vapor to escape, so you stay dry from both the outside and the inside.
Ever been stuck in a downpour with a "waterproof" jacket that
turned into a sauna? Or worn boots that kept rain out but left your
feet sweaty? Traditional waterproof materials often trap heat and
humidity, making you feel clammy. This valve fixes that by:
Blocking water (even in heavy rain or snow).
Releasing sweat vapor (no more sticky, damp feeling).
Lightweight & silent (unlike noisy zippered vents).
100% Waterproof – Tested under hydrostatic pressure (e.g., 10,000mm+ rating).
                                 
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