Step 2 moving along your bed rail extend the measuring tape to the inside edge of the top of your tailgate.
How to measure your truck bed for a canopy.
Step 1 place your measuring tape at the bulkhead of your truck bed.
After selecting your vehicle and a tonneau cover you will see a fitment note directing you to the correct model number for your bed size.
Hold one end of your tape measure against the inside of your truck bed s left front corner and have someone pull the tape measure until it reaches the inside of the front right corner.
Again the tape measure should be in a straight taut line even with the top of the bed.