Oakley DRT3 Trail Europe bicycle helmet * patented safety system * MIPS (Multi-Directional Impact Protection System) technology: in the event of an angle impact, the EPS shell of the helmet rotates a few millimeters after the MIPS layer, protecting the head and brain from a violent rotational jerk . Although this movement is only on the order of a few millimeters, the result is that MIPS significantly reduces the amount of rotational force that could otherwise be transferred to the brain * silicone sweat shield * adjustable peak * removable padding IONIC+™: permanent antimicrobial insole * strategically placed ventilation holes for maximum breathability and control of head temperature * back wheel adjustable 360° Fit System for perfect fit on the head * deeper profile and increased protection of the back of the neck * weight approx. 300 g * dimensions for size M (55-59 cm), L (58-62 cm ) * helmet travel bag included in the package