MONTANE Prism Pants 100% Nylon Imported Pertex Quantum mini rip-stop outer fabric that is completely windproof, fast drying and features exceptional durable water Repellency 40G Prim aloft Silver ECO insulation throughout is warm, packable and exceptionally fast drying PEAQ Synthetic ECO lining that is supremely comfortable next to the skin, highly breathable and fast drying Articulated knees and diamond-gusseted crotch for high step movement Quarter length side leg zips for access, ventilation and the ability to pull over trail footwear