This is the:

Redcat Racing Lowrider SixtyFour Car Cover RER13889

Custom made to fit the Redcat Sixtyfour.  Made of microfiber ultra-soft material.

Fits on vehicles with or without installed antennas but you must be very careful with car cover installation and removal it if you have antennas installed.

It is recommend that you install the car cover starting from the front of the vehicle if you have antennas installed.  

If you find the car cover is too tight, you can untie the elastic from the rear of the car cover and give the elastic more slack.