ROCKBROS LK-11 Cycling Helmet Integrated Adjustable Shockproof MTB Road Unisex

Feature Details Material Silver Ion + Traditional Liner (Two Sets) Shell Dual PC Shells Weight 230g Head Circumference Adjustable 54-58 cm Buckle FLDLOCK Magnetic Buckle Strap Adjustment Quick length adjustment Design One-piece, aerodynamic Breathability 40% more airflow Antibacterial Ionic+ Silver Ion technology Safety High-density EPS foam