Giro sonnet mips helmetgiros sonnet mips helmet is a favourite among their womens series collection offering a much admired fit and performance for riders who enjoy everything from quality routes to a fast pace the helmets slim shape offers great ventilation thanks to 25 wind tunnel vents and the snug handiness of the adjustable roc loc 5 fit system with the lightweight and durable in mould construction the helmet wont weigh you down the sonnet mips is available with the multi directio