Fly Racing Rayce Sonar Bicycle Helmet Small Off-road Mtb

Features: CPSC 1203, ASTM F1952-15, CE EN 1078:2012/A1:2012 Aerodynamic lightweight poly-alloy shell Padded chin strap with a D-ring closure Aluminum visor screws CSPC certified EPS foam liner for protection 930 grams +/-50g (size M), 2.05 pounds +/- .11lb (size M) Removable and washable liner and cheek pads True Functional Ventilation (TFV)-When in motion air is forced through multiple air intake vents, then passed through aligned vent channels in the EPS and exits out multiple rear exhaust ven