Mountain Hardwear Mesa&trade; Pant 100% Nylon Durable nylon canvas construction won't rip or tear, even when you're engaging in especially extreme outdoor activities. Articulated knees and a full-length inseam gusset offer superior range of motion capabilities so that you can maneuver around with ease. UPF 50 sun protection and first-rate water repellent technology are built right in, shielding you from the sun's rays and keeping you as dry as possible. Micro-chamois lining in the conical waist provides unbeatable comfort beneath layers of gear. Mesh panels included in the pockets to drain away excess water.