Configuration: high-end PC color plastic shell and high density black EPS foam combination molding， the internal with the regulator.Model: all codes (58-63). (Integrated) to adjust the size of the head circumference elastic flexible head width 17.5 or so!Color: orange and white， blue， red， white， black and white， yellow and whiteWithin the pad: the pad for the advanced double-sided velvet lining (red)Features: unique 18-hole design is more reasonable， unique and beautiful design， fashion models， holes rational design， breathable comfort， equipped with convenient. Wind tunnel， duct design， effective in reducing wind resistance.Packing: with hat， simple packaging!Weight: 280 grams