1.4 oz 10D Waterproof/Breathable

Waterproof/Breathable (aka WPB) fabric is exactly what the name implies - both waterproof AND breathable. To achieve this, WPB fabric uses a specially formulated laminate film that is highly resistant to water droplet penetration (i.e. rain) while also allowing moisture vapor (i.e. sweat) to pass through and escape. Ultralight. Our 10 Denier WPB is the result of 8 months of development, testing, and pushing limits. While the even the lightest WPB currently comes in at over 2 oz, our 10D WPB breaks the mold with a finished weight of just 1.4 oz. Performance. With waterproofness and breathability rivaling or besting the name brands such as Gore-Tex and eVent (see full lab test data), you don't compromise on performance. Go lighter and be more comfortable doing it.  The combination of waterproofness, breathability, and weight make this material excel in ultralight, high-performance rainwear. This variant is a 2.5 layer ultralight WPB, so it's best used in applications where you want the l