Columbia Women?s Zero Rules? Light Technical T-Shirt.Keep your cool in the heat in this Columbia women?s technical t-shirt with Omni-FREEZE ZERO? sweat activated cooling technology.The Omni-WICK ? wicking material and side panels draw moisture away from the skin to keep you feeling fresh and dry on the move.Composition:100% Polyester, 52% Recycled Polyester, 48% Polyester.Washing cares:Machine Wash Cold Gentle, Do Not Use Stain Remover, Wash Separately, Do Not Bleach, Tumble Dry Low, Remove Promptly, Iron Low, Do Not Use Fabric Softener, Do Not Dryclean.