Race cycling helmet suitable for men sizes 50 56 cm 54 60 cm 56 62 cm us sizes s m l main colour blue surface matt number of air vents 17 applications road race safety features reflective print chin padding chin pad not inlcuded inner padding breathable removable visor without visor size adjustments wheel adjustment system headring strap adjustable construction in mold outer material polycarbonate weight 190 g inner material polystyrene