NIKE Golf Men's Tech Core Stripe Polo 100% polyester the Nike Tech Core striped polo shirt features innovative mesh stripes for excellent ventilation. It's constructed of 100 percent polyester Dri-FIT fabric which wicks the sweat away from your skin to keep you dry and comfortable. It also features a three-button placket and a ribbed collar. Machine wash and tumble dry for easy care. 100% Dri-Fit