NIKE Golf Dri-Fit Running T-Shirt Mens Blue 100% Polyester Importado Therma-FIT fabric to help keep you insulated and comfortable. Brushed interior for a super-soft feel against the skin and enhanced warmth. Half-zip mock neck with bonded zipper to help block out the elements. Fabric: Therma-FIT 100% polyester Classic styling makes this an everyday, versatile basic.