Columbia Saturday Trail II Knee Pant 96% Nylon, 4% Elastane Imported Omni-Shield advanced Repellency Omni-Shade UPF 50 sun protection Comfort stretch. Articulated knees Zip-closed security pocket Leg hem cinches. Gusset detail. Mid rise Omni-Shade UPF 50 sun protection Omni-Shield advanced repellency Straight leg, Mid rise Gusset detail, zip-closed security pocket 2-way comfort stretch