The Columbia Sportswear Women's Tamiami Long Sleeve Shirt is made of 100% polyester and has antimicrobial properties to keep it fresh and odor free. Lightweight Omni-Dry® quick-drying fabric wicks moisture away, and Omni-Shade® fabric technology offers UPF 40 protection from harmful UVA and UVB rays. Mesh-lined vents. Notched seams. Hidden zippered security pockets. Rod holder. Feminine seaming.