Columbia Sportswear Men's Tall Silver Ridge Plaid Long Sleeve Shirt, Black Plaid, XLT 63% Polyester, 37% Supplex Nylon Imported Omni-Wick technology Omni-Shade UPF 30 sun protection Sun protection collar. Vented Roll-up sleeves with tab holders Sun protection cuff Omni-Wick Advanced Evaporation Omni-Shade UPF 30 Sun Protection Roll-Up Sleeves Sun Protection Collar