Columbia Men's Tubezilla Board Woven Short nylon 100% nylon Omni-Shield advanced repellency lower panels Omni-Shade UPF 50 sun protection Machine Wash Cold Gentle, Wash Separately, Do Not Bleach, Tumble Dry Low, Remove Promptly, Iron Low No Steam, Do Not Use Fabric Softener, If Present Do Not Iron Decal, Do Not Dryclean China