Columbia Men's Trenching Plaid Short Sleeve Shirt Woven Tops nylon 100% nylon Omni-Shade UPF 30 sun protection Omni-Wick advanced evaporation Machine Wash Cold Gentle, Wash Separately, Do Not Bleach, Tumble Dry Low, Remove Promptly, Iron Low, Do Not Use Fabric Softener, Do Not Dryclean Sri Lanka