Tusk Zipperless Upper Doors makes riding in any condition more enjoyable. Riding in the morning can be cold, by the afternoon it may get hot. The Tusk Zipperless upper doors are the solution with no compromises! With a Patent Pending revolutionary self-aligning magnetic closure system, these doors open and close quickly and with ease. No zippers to malfunction making these doors easy to use and safe in an emergency. The Tusk Zipperless Upper Doors roll around to the back of the roll cage to stow, then quickly roll back for use. Made of high-quality materials that have been UV and cold crack tested they are made to last. -Tested to stay secured at high speeds when machine is in use. -Machine remains easy to get in and out. -Not recommended to transport on open trailer when windows are not in stow position. -Clear Vinyl is cold crack rated down to 0 degrees F.