ROCES AGGRESSIVE HELMET white 300756 High quality, professional helmet of reputable brand ROCES, perfect for bike rollers etc. 3D system allows to adjust the helmet to various shapes and sizes of the head impact resistant shell and energy impact absorbing foam guarantees maximum protection.Inside the helmet, at height forehead and base skull is a soft, detachable insert.Guarantees comfort and prevents perspiration. Additional sponges above the top of the head provide softness.Eleven ventilation holes provides free circulation air.Operations front and back guarantee permanent flow, a upper ventilation.Double fastening tapes prevent the helmet from shifting.There is a buckle under neck. , fastened with express snap - Certificate CE EN 1078 Sizes:S : 50-52 cmM : 54-56 cmL : 58-60 cm