Uvex Revolt Mips cycling helmet * certification: EN 1078 MIPS (Multi-Directional Impact Protection System) technology: in the event of an impact at an angle, 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 transmitted to the brain * Monomatic system - chin fixation with one hand * multi-inlay InMould construction for reliable fall protection * FlexShield: flexible protection against glare * IAS 3.0 anatomical system for perfect adaptation to any head shape * removable padding * 16 ventilation holes * adjustment wheel at the back for size adjustment * compatible with glasses * size: 57 - 61 cm * bicycle helmet, integral helmet , full-face helmet