Nike Women's UWW Referee SS Polo - Black - (Required UWW Referee Uniform) The Nike Dri-Fit jersey provides on the mat comfort with a classic look. Its 3-button placket offers an adjustable fit for match day. Dri-FIT technology helps you stay dry, comfortable and focused. 3-button placket for easy on and off. Swoosh design trademark at the upper right chest, full color UWW Referee Badge upper left chest, United World Wrestling word mark across shoulders on back.