Columbia Omni-shield hiking pants. Omni-Shade™ Broad Spectrum UPF 50 protects against skin damage using select fibers and fabrics to block a wider range of UVA/UVB rays, so you stay safer in the sun Omni-Wick™ keeps you dry and cool by pulling moisture to the fabric’s surface to evaporate, delivering fast-drying, next-to skin comfort in the heat Articulated knees provide more room to bend and kneel comfortably Roll-up cuffs with snap-button tab holders for a shorter style 2-way comfort stretch for ease of movement Drop-in zip pocket on right leg for a multi-tool, pen, or other small items Hand pockets and Velcro closure back pockets for essentials.