See More

UnderCover Flex

Starting At*: $879 $748


Need your product faster? Visit your local dealer for expert installation and superior service


The UnderCover Flex is a hard folding truck bed cover that gives you the ultimate control of your truck bed, offering three secure riding positions. The cover is easy to install and remove with our easy clamp-on design, and is mounted flush with your trucks bed rails making it the most watertight hard folding cover on the market. The Flex is constructed with heavy-duty aluminum panels providing strength and durability.

Each Flex has a bed rail mounting system equipped with rubber seals and drain tubes that carry water away from and out of the bed, keeping your gear dry and secure. The Flex is backed by a 3-year warranty making it America's favorite hard folding tonneau cover.

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



  • Low-Profile Design w/ an UV Protective Black Finish
  • Aluminum Top Skin Panel
  • Three Secure Driving Positions, with 100% Bed Access
  • Dual Action Tailgate Seal for Easy Operation
  • Made in the USA


Please feel free to make use of the UnderCover 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 Flex carries a 3-year warranty.

Full Bed Access

Built-in prop rods secure the cover allowing your truck to be driven with the cover fully open.

Weather Resistant

Rubber seals and drain tubes channel water away from and out of the bed.

Heavy-Duty Construction

The Flex is constructed with heavy-duty Aluminum panels providing strength and durability. The SpeedKlamps lock the cover in place at the rear, adding strength and stability for your off-road adventure.


555 Total
2021 Chevrolet Silverado 2500 HD
5 / 5
21 November 2020
Street Toys did an excellent job at an excellent price
Brent A.
2018 Ford F-150
5 / 5
9 November 2020
Very impressed with the appearance and quality
Ronald C.
2020 Ram 1500
5 / 5
6 November 2020
I really like this product. It's great looking on my truck. It's easy to use. The bed lighting is awesome. The product has a great quality "feel" to it. It's not the lowest cost product out there but it's certainly a excellent value high quality product and it's made in the USA. What more could I ask for. I'm looking forward to seeing how it holds up over time. Keep up the great work and putting ... Read More
2020 Ford F-150
5 / 5
5 November 2020
Price R.
2019 Toyota Tundra
5 / 5
2 November 2020
First time to own a truck bed cover. Undercover Flex was the best of the options that I considered.
Rodger M.
2019 Ram 1500
5 / 5
27 October 2020
Very happy
Thomas K.
2015 Chevrolet Colorado
5 / 5
15 October 2020
I love the appearance and ease of use of my new cover. I'm sure I made the right decision.
Ricky E.
2017 Ford F-350 Super Duty
5 / 5
14 October 2020
Great product!
Jitendra S.
2019 Ford F-150
5 / 5
14 October 2020
Product so far is awesome, I got it purcahsed and installed at Texas Customs & Accessories, these guys are awesome.
David B.
2018 Toyota Tacoma
5 / 5
12 October 2020
Product is great company is even better.