The R2 Irbis ski helmet is a very safe snowboard helmet for your winter adventures made with double shell technology, known as Double Inmold. The functional, thermo-insulating and soft padding contributes favorably to the wearing comfort. * weight S/M: approx. 440 g, L/XL: approx. 550 g * the durability of the helmet is guaranteed by proven safety according to the CE EN 1077 standard * AirVac Flow system - a revolutionary system of active ventilation reacts immediately to changes in the external climate and with the help of continuously adjustable of ventilation holes regulates the temperature inside the helmet, the number of ventilation holes is 12 * Double Inmold – double shell for a high-strength unit * Fidlock – magnetic closure * reinforced padding under the chin * shaped antibacterial lining with Soft Sense treatment provides an extra warm and pleasant feeling, fleece with Sensitive treatment it is very pleasant to the touch and forms an insulating layer protecting the head from over-cooling * a complex internal temperature regulation system combining unique technologies - the ITC internal air circulation system and the AIRFLOW active ventilation system * DUAL FIX - helmet size regulation system, one-handed control of the system in the back part of the helmet is very light and intuitive * color: matte * size S/M: 54-58 cm, L/XL: 58-61 cm