Acerbis Trial Aria Helmet Acerbis incorporates new colors to the Aria collection, a helmet for Trial and with optimal ventilation. Termoplastic material used for the construction of the outer shell. Front adjustable vent. Rear and side vents to increase the maximum ventilation. Remobable sun visor. Adjustable and removable upper visor. Hypoallergenic interior, removable and washable. Micrometric strap adjustment with quick release. Weight: 1.050 gr +/- 50 gr. ECE/ONU 22-06 Certified.