Columbia Men's Evapouration Pants Shell: 100% Omni-Tech Plain Weave Nylon; Lining: 100% Polyester Mesh Imported Waist Adjustable Tabs Omni-Wick EVAP Advanced Evaporation Omni-Tech Waterproof/Breathable Fully Seam Sealed Partial Elastic at Waist Zippered Hand Pockets