Columbia Men's Diamond Back Pant 100% Nylon Shell: 100% nylon Omni-Tech Ultra Touch, 100% polyester Hammerhead II. Lining: 100% nylon 210T Taffeta and 100% polyester Chamois Touch Tricot, 100% nylon HydroPlus Authentic Fit-not too fitted, not too loose Water Resistant-Columbia Sportswear uses a water repellent coating treatment to help shed moisture away from the product in wet conditions Internal Leg Gaiter-A built-in gaiter keeps rain, snow and mud outside where it belongs Imported