Columbia Men's Silver Ridge II Convertible Pant, Extended nylon 100% nylon Omni-Shade UPF 50 sun protection Omni-Wick advanced evaporation Machine Wash Cold Gentle, Remove Promptly, Wash Separately, Do Not Bleach, Tumble Dry Low, Remove Promptly, Do Not Iron, Do Not Use Fabric Softener, Do Not Dryclean Vietnam