featuring eVent® fabric technology – the most breathable waterproof membrane in existence.
the technology is microscopic. The difference is HUGE.
What makes eVent® better? We're glad you asked.
The critical difference between our technology and traditional waterproof/breathable fabrics is the millions of microscopic pores built in to our proprietary membrane that work instantly to vent water vapor (sweat) that builds up inside your apparel, gear and footwear when you perform. We call this Direct Venting™ technology, and unlike other technologies, it doesn’t need to get wet to work. It’s a ‘dry system’ that allows eVent fabrics to be fully waterproof and fully breathable – keeping you dry and comfortable in the widest range of temperatures and conditions.
eVent® waterproof fabrics allow sweat to quickly evaporate to the outside, keeping you dry on the inside. Simply said, eVent fabrics let the sweat out™.
(Natural Evaporative Cooling)
Why do we sweat? Sweating is a natural process, part of what you could call the natural air conditioning of the human body. When we exercise our muscles produce heat. The body must stay at a homeostatic or steady state of temperature, therefore it must find a way to cool itself. We balance our core temperature by sweating. Sweating essentially balances our body temperature by evaporative cooling.
Ineffective Evaporative Cooling
(You Soak In Your Own Sweat)
Wet system: PU membranes Most common waterproof /breathable membranes do not literally "breathe." Instead, they move sweat in two slow steps by a process of diffusion through a polyurethane (PU) layer. Because PU absorbs and retains sweat, the inside of the fabric becomes wet. Then, body heat begins to push that dampness through to the outside of the fabric where it can finally evaporate— a very inefficient process.
eVent® Fabric Performance
(Evaporative Cooling Maintained with eVent® Fabric)
eVent fabrics get their unique properties from a proprietary and patented waterproof membrane. Its unique composition allows millions of tiny pores to breathe at their full potential. Sweat vents directly to the outside of the fabric in one easy step. We call this Direct Venting™ Technology. Its genius is hidden in its simplicity. eVent fabrics simply let the sweat out™—up to twice as fast as common waterproof/ breathable fabrics.
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