Time trial helmet suitable for men sizes 52 56 cm 55 59 cm 58 62 cm us sizes s m l main colour white secondary colour black surface matt number of air vents 15 applications road race time trial chin padding chin pad not inlcuded inner padding antibacterial breathable removable washable visor with visor adjustable detachable size adjustments height adjustable wheel adjustment system strap adjustable construction in mold outer material polyc