OLUOLIN Women's Outdoor Comfort Stretch Waterproof Hiking Quick Dry pants Water science and technology,Surface of the waterproof layerDon't take water.With oil pollution prevention.anti-corrosion.Characteristics, etc. Air permeability test:has good air permeability,Make you a more comfortable journey,Instant atomization,Well ventilated effect is very good. YKK International zipper,Can withstand repeated 100000 times to pull together,structural durabilities Delicate buttons:Using solid buttons,Provides real-world product education.Stainless steel metal polishing grinding process.no rust occurred. Side pocket design with zipper ,To prevent the zipper scratching off,Opening and closing more convenient.