Size M - The Giro Aether MIPS helmet features 22 ventilation channels to keep your head cool, offering ideal airflow. The shell is composed of six parts, with additional structural reinforcement provided by the Aura system, which adds further impact resistance. Features: - EPS system - Shatterproof Roll Cage protection - Ultralight straps with Slimline buckle - Eyewear docking ports in the ventilation vents - Roc Loc 5 Plus adjustment system - 11 ventilation channels. Technologies: - MIPS System: MIPS is a leading slip-plane technology inside the helmet, designed to reduce rotational forces th...