PHEOS B-WR protective helmet. - lightweight with a sporty design provides the wearer with maximum comfort thanks to climazone vents and a 3D adjustable interior - sturdy shell retains its shape even when side-swiped - carcass with width adjustment knob for a customized fit - provides protection even in extremely cold temperatures of up to 30 degrees C - size adjustment range: 52-61 cm - meets the requirements of the EN397 standard