Omni-Shade Broad Spectrum UPF 50 sun protection Omni-Wick pulls moisture away from the body so sweat can evaporate quickly. Belt loops Articulated knees Hand pockets Zip-closed security pocket Cargo pocket Zip-off legs convert pant to knee pant Roll-up hem with tab holders Back pocket. Women's Silver Ridge Utility™ Convertible Hiking Trousers - Polyester is a synthetic polymer made from petroleum and can be made from recycled material instead of virgin material to reduce environmental impact.