The R2 Panther ski helmet with a photochromic shield for your winter adventures is made with a double shell technology, known as Double Inmold, which makes it a high-strength unit. * weight S/M: approx. 540 g, L/XL: approx. 600 * the durability of the helmet is guaranteed by proven safety according to the CE EN 1077 standard * built-in photochromic glasses that optimize darkening according to the intensity of UV radiation * lens material: impact-resistant polycarbonate DURAMAX * AirVac Flow system - revolutionary the active ventilation system immediately reacts to the change in the external climate and regulates the temperature inside the helmet with the help of continuously adjustable ventilation holes, the number of ventilation holes is 12 * Double Inmold - double shell for a high-strength unit * Fidlock - magnetic fastening * reinforced padding under the chin * shaped antibacterial lining with with the Soft Sense treatment it provides an extra warm and pleasant feeling, the fleece with the Sensitive treatment is very pleasant to the touch and forms an insulating layer protecting the head from getting cold * a complex system of internal temperature regulation 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 at the back of the helmet is very light and intuitive * color: matte, lens color: gray * sun filter category S0-S2 * size S/M: 54-58cm, L/XL: 58 -61 cm * snowboard helmet