2” IN THE FRONT AND 1.25” IN THE BACK AND DOUBLE LAYERED MATERIAL, THE INFINITY IS A SLIMMER STYLE OPTION THAT OFFERS A TAPER IN THE BACK TO SIT COMFORTABLY AROUND THE EAR. DESIGNED TO WICK MOISTURE WHILE KEEPING YOU COOL AND COMFORTABLE ANYWHERE. FABRIC BLEND: 89% POLYESTER/11% SPANDEX