Alpinestars Supertech R10 Martinator Thai LE Carbon Helmet, size M (57/58)

Multicomposite helmet shell with 3K carbon fiber, unidirectional carbon fiber, aramid fiber and fiberglass Multidensity EPS inner shell for optimised absorption of impact energy and reduction of rotational forces Wind tunnel and track validated aerodynamic design for high stability at high speeds Side wings to support the stability of the helmet and optimize aerodynamics Extra breed gezichtsveld (220° horizontaal / 57° verticaal) voor optimaal zicht rondom Extra wide field of view (220° horizontal / 57° vertical) for optimal all-round visibility Visor with metal locking mechanism and tool-free quick release system High-performance ventilation system with 11 vents (7 inlets, 4 outlets) for maximum airflow, cooling and passenger comfort A-Head Fitment System for individual adjustment of helmet height and tilt