Nike RF Federer Hat Summer 2013 Midnight Navy/Flint Grey NIKE Adult Unisex Cap FEDERER "RF" DRI-FIT Legacy 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