NIKE Men-Women's Roger FEDERER "RF" Tennis DRI-FIT Hat Night Factor/Coral NIKE Men/Women's FEDERER "RF" DRI-FIT Tennis Hat Dri-FIT fabric to wick sweat away and help keep you dry and comfortable "RF" raised on front and "SWOOSH" on left side Adjustable VELCRO  brand fastener at back Fabric: Body and bill: 58% cotton 48% polyester