Headsweats Cadence Cycling Cap Bike Hat. Keep a cool head on hot days with the Cadence Cycling Cap Bike Hat. Just at home under a helmet as it is on its own, the Cadence Cycling Cap offers an extra pop of color on the side gussets and 100% COOLMAX Fabric throughout for the ultimate in moisture management. The brim will keep the sun out of your eyes as you ride off into the sunset.