Features: Strong polycarbonate shell surrounds EPS foam protects the head against impact. Easy-to-adjust dial system and side straps fits different...

Specifications:BrandGUBModelG-83MaterialEngineering Plastic Frame+ AL6063 BaseColorBlackWeight61gDiameter31.8mm ClampLength50mm(max100mm...

features controllable vents to regulate the temperature and ventilation. The removable earmuffs is warm and comfortable, perfect for winter outdoor...