Nike Run Beanie. The Nike Run CW Reversible Running Knit Hat is made with stretch Dri-FIT fabric to help keep you dry and features a screen print on one side and solid brushed Hyper warm fabric on the other for two great looks. Benefits: Dri-FIT fabric to wick sweat away and help keep you dry and comfortable. Brushed Hyper warm fabric on one side for warmth and comfort. Screen print on the other side for an athletic look. Elastic headband for a snug fit.