Hybrid climbing helmet suitable for unisex applications multi pitch climbing sports climbing ice climbing mixed via ferrata big wall size adjustments adjustable headband adjustable chin strap height adjustable headband chin padding without chin pad head lamp holders with headlamp mount 4 clips outer material polycarbonate inner material polystyrene size head circumference 52 57 cm number of air vents 12 weight 350 g security standards uiaa 106 en 124