UnderCover Ultra Flex

Starting At: $989.00

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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.


81 Total
Ramon E.
2017 Toyota Tundra
5 / 5
9 May 2019
Vincent G.
2019 Ford F-150
5 / 5
22 April 2019
stephen s.
2019 Chevrolet Silverado 1500
5 / 5
10 April 2019
looks awesome on my new truck.used the soft roll up snap down type for years,what a move in the righ... Read More
Robert S.
2018 Chevrolet Silverado 1500
5 / 5
4 April 2019
Oniel R.
2013 Ford F-150
5 / 5
30 March 2019
Kent W.
2019 Ford Ranger
5 / 5
5 March 2019