Alpinestar SM5 Bond Helmet Siil/blk/yel/green


SKU: AS8303422195658#1 Categories: , , Tags: ,


  • The lightweight outer shell is constructed from a technologically advanced impact-resistant thermoplastic in two sizes.
  • The inner and outer surfaces are engineered to minimize the effects of oblique impacts.
  • Multiple density inner liner to ensure the correct density in the correct area for enhanced impact absorption.
  • Patented visor release system ensures the visor is released with the correct pre-determined amount of force, irrespective of the angle of impact.
  • Maximized ventilation and high levels of heat transfer exchange thanks to multi-air inlets and exhaust ports.
  • The visor has been designed to direct air into the ports for enhanced airflow.