Columbia Women's Lo Drag Long Sleeve Shirt Omni-Wick Ripstop 100% Polyester Imported Omni-Wick; Rod holder Omni-Shade UPF 40 sun protection Sun protection collar. Button-down collar Vented. Roll-up sleeves with tab holders Omni-Wick Advanced Evaporation Omni-Shade UPF 40 Sun Protection Treatment Protects This Product From Bacterial Growth Button Down Collar