Columbia Men's Silver Ridge Plaid Big & Tall Long Sleeve Shirt 57% Polyester, 43% Supplex Nylon Imported Omni-Wick Product Omni-Shade UPF 3 sun protection Sun protection collar Vented. Sun protection cuff Roll-up sleeves with tab holders Omni-Wick Advanced Evaporation Omni-Shade UPF 30 sun protection Roll-up sleeves Sun protection collar