NWT Men's Columbia Tamiami II Long Sleeve Shirt Omni-Wick advanced tech helps wick sweat and keep you cool when the temperature cranks Omni-Shade tech provides UPF-40-rated sun protection to shield your skin from the sun's harsh rays Anti-odor treatment prevents the fabric from accumulating odors Strategically placed venting helps circulate fresh air Zip-close security pocket keeps your passport on lockdown Rollable sleeves with button tabs help you change up your look on the road Beautiful Blue