ISI approved helmet Plastic shell produced in high impact ABS 300 absolac material Specially designed air vents at the top and front of the helmet for extra cooling effect Quick release chinstrap mechanism for ease of operation and safety Aerodynamic styling sun peak for motocross performance Moulded PVC bottom beading provided in unique colors http://www.amazon.in/Replay-Plain-H...=gbps_img_s-3_6547_33f182e4&smid=A1AVA4WPJME1