The Gecko Helmet Inflatable Liner comes fitted inside all Gecko marine safety helmets and can be replaced at a later date if it wears before the helmet is due for replacing. Easy to fit or remove with quick push-fix attachments inside the helmet shell. The liner can be updated when required or upgraded for an acoustic liner. All Gecko Helmet liners are easy to fit and require no tools to be fitted in the field if needed.SuitabilityFits the Gecko Open Face and Full Face HelmetsLiner inflates inside the helmet to create the perfect fit every time