10K/10K Waterproof/Breathable. 100% Nylon 30d Ripstop Fabric w/ 2.5L 10K/10K PU Film Lamination. Dual Pocket Zipper Sliders offer ventilation and handwarmer pocket access. Internal Hood Cord Adjustment Routing. Low Profile Hook and Loop Cuff Closure. Double Storm Flap Zipper Closure.