This is for the Radiator model only. It does not fit any other Gatorz model. Do not buy this if you do not have the older Radiator style. Aluminum Sunglasses and Scooters Presents Foam Insert or Gasket for the Gatorz Radiator model only. Provides a better wind seal to protect from dust, dirt, and wind. It Easily attaches with clips Easily removable ,Protects at all angles and it not permanent.Comfortable, lightweight frame feature with a foam gasket attachment.Soft foam gasket that keeps things like sawdust and metal pieces from collecting on the inside, and protect eyes from a serious allergy during summer season.Great glasses for Contact Wearers.It help minimize fogging.