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UnderCover Ultra Flex

Starting At*: $989

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A hard folding truck bed cover that comes with overwhelming new features and is topped off with an alluring matte finish. The Ultra Flex is in a category of its own. From the irresistible outward appearance to each component beneath the cover, the Ultra Flex has been carefully crafted to be the ultimate all-purpose truck bed cover.

All-new features that accompany the Ultra Flex include an integrated luminous rail light system for enhanced night vision, and a dual action tailgate seal, allowing for easy operation and you to close the tailgate with the cover-up or down. Multiple riding positions allow the user to ride with full access to their bed, and full weather protection is available if the cover is in the fully closed position.

Ultra Flex is an easy clamp-on application and can be installed and removed easily with our newly designed L-Rail’s. What’s more, the Ultra Flex is backed by a 5-year warranty, making it the most desirable folding cover on the market.

If you wish to learn more about the Ultra Flex visit our FAQ page


  • Ultra Low-Profile Design w/ a Stylish Matte Black Finish
  • Integrated Luminous Bed Rail Light
  • Carpeted Underpanels Provide a Finished OEM Look
  • Dual Action Tailgate Seal for Easy Operation
  • Made in the USA


Please feel free to make use of the Ultra Flex installation instructions below to assist you. Upon purchase you’ll receive vehicle specific instructions. However, if you have further questions or need technical assistance, please call one of our knowledgeable installation experts at 866-900-8800.


The UnderCover Ultra Flex carries a 5-year warranty.

Stylish Matte Finish

Solid aluminum panels polished with stylish matte black finish.

Ultra Finish Under Panel

A refined and Ultra tough carpet-like finish gives the Ultra Flex an OE look and feel.

Integrated Rail Light

The integrated luminous rail light provides illumination in your truck bed at night.


417 Total
Mo E.
2019 Toyota Tacoma
5 / 5
11 April 2020
Looks sharp
Deborah E.
2019 Toyota Tundra
5 / 5
11 April 2020
This is our first truck. We bought the cover sight unseen on the recommendation of the salesman at Madison Auto Trim. He told us that if he were buying a bed cover, this is what he would buy. So far, we are very happy with it.
Michael K.
2020 GMC Canyon
5 / 5
8 April 2020
Awesome group of folks at Complete Vehicle, courteous and professionally installed
Edward C.
2020 Chevrolet Silverado 1500
5 / 5
7 April 2020
i had a BakFlip on my old truck and panels were lighter. These are a little heavier and but because of that it looks more durable
Lane E.
2019 Ram 1500
5 / 5
6 April 2020
The tonneau cover looks and covers my bed and its contents very well. I like the ease of folding the cover. The latch mechanism is is very simple to use. The LED bed light complements my current bed lights. All is great.
Wayne R.
2020 Chevrolet Silverado 1500
5 / 5
31 March 2020
I love the cover the quality is superior the installation was very easy I would recommend this product to friends,
Ralph M.
2019 Ford F-250 Super Duty
5 / 5
23 March 2020
I tried to enter the price paid but the field would not work properly. I paid $939.55. Receipt actually came from Real Truck.
Charles B.
2019 Ford F-150
5 / 5
21 March 2020
This is my second one. Had one on the 2014 F150 I traded in and I loved that one too.
Jillian R.
2019 Chevrolet Silverado 1500
5 / 5
19 March 2020
Only thing, I would figure a way to seal against the front of the bed better.
Joshua A.
5 / 5
19 March 2020
Perfect, except...
Everything was as expected! Two of my buddies have recommended this for my truck- and install was easy, it looks good, made in USA quality, but... why do you guys include the cheapo chintzy “interior lighting”? It was a cheap little plastic device running on double A’s you’re supposed to slide into the side rails- I say was, because my snapped apart just putting it back together after batt... Read More