The boot cover is soft, comfortable and durable. Its cost is $5 and we will ship it only with the SimuShiftKnob purchase. Covers knob mounting connector, keeps all dust and dirt from getting into the shift mechanism. Easy to install, gives your rig a brand new look. The boot cover is designed to be large enough to cut some fabric off if needed, depending on the height of your shifter’s shaft. This is a great add on for simulator or real truck gear shifters.