UnderCover® - Ultra FLEX Hard Folding Tonneau Cover

20 reviews|Item # sp33017
Vehicle Specific
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$1,299.99 - $1,399.99
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Specifications

Cover Type
Hard
Tonneau Type
Folding
Number of Folds
3
Mounting Type
Over Bed Rails
Security
Locking
Toolbox Compatible
No
Toolbox Included
No
Design
Ultra-Low Profile
Compatible with Ladder Rack
No
Compatible with Headache Rack
No
Compatible with Bed Caps
Yes
Compatible with Bed Rails
No
Capacity
400 lb
Cover Material
Aluminum
Frame Material
Aluminum

Includes

  • (1) Tonneau Cover
  • Side Mounting Rails, Left and Right (pre - assembled)
  • Hardwares
  • Installation Instructions
  • (2) Drain tubes

Features

  • Keeps your cargo safe from the elements and would-be thieves
  • Allows for full control over your truck bed
  • A well-engineered construction with high grade aluminum alloy panels
  • Ultra-low profile design for sleek look
  • Two prop rods for easy access to the entire truck bed
  • Tough black finish
  • Easy-close tailgate system
  • Dual rail LED bed lighting system
  • Ultra tough carpet-like finished under panel
  • Advanced L-rail mounting system
  • Easy no-drill installation
  • Custom-designed to fit your truck
  • Made in the USA

Product Details

Ultra FLEX Hard Folding Tonneau Cover by UnderCover®. Ultra Flex is the ultimate truck bed solution. Each Ultra comes standard with features you can’t find in other bed covers: saddlebag storage box, a dual rail LED lighting system, and a new easy-close tailgate seal. Ultra Flex offers multiple riding positions, including a full-access option with the ability to ride down the road at highways speeds. To top it all off, Ultra Flex has a premium matte finish and is backed by a 5-year warranty.

Installation

UnderCover® - FLEX™ Tri-Fold Tonneau Cover InstallationUnderCover® - FLEX™ Tri-Fold Tonneau Cover Installation

A hard folding truck bed cover that comes standard with new overwhelming new features and topped off with an alluring matte finish: The Ultra Flex is in a category of its own. From its irresistible outward appearance, to each component that lie underneath the cover, the Ultra Flex has been carefully crafted to be the ultimate all-purpose truck bed cover. Unprecedented features that come standard with each Ultra Flex include dual rail LED bed lighting system for luminous bed lighting day and night, and an easy-close tailgate seal. Multiple riding positions allow the end user to ride with full access to their bed, as well as full weather protection for their bed if the cover is in the fully closed position. Ultra Flex is a no drill application and can be installed and removed easily with our newly designed “L-Rail's”. The Ultra Flex offers multiple riding positions including offering full access to your bed. Its weather tight, and totally secure: built-in rain channel and flexible drain tubes divert water out of your bed keeping your gear safe and dry. Best yet, the Ultra Flex is backed by a 5 year warranty, making it the most desirable folding cover on the market

Reviews

(20)
Only authorized customers can leave a review on our website. We would love to know what you like or dislike about the product. Share your opinion on product quality, appearance, installation, and other characteristics.
/5
1-10 of 20 Reviews
5 of 5
UnderCover
Arrived quickly, was as described and good price.
Posted by John (Richmond, TX) / March 09, 20192011 Ram 1500
5 of 5
Very Pleased
The Ultra-Flex cover I ordered came in right on time with no hitches. The install was very easy because of explicit picture directions. It is virtually waterproof and easy to fold back. I have been very pleased with it and have had several compliments on the looks of it on my new Ram already.
Posted by Tom (Murray, KY) / December 19, 20182019 Ram 1500
5 of 5
Posted by Paige (Lake Wales, FL) / October 24, 20182014 GMC Sierra 1500
5 of 5
My First Tonneau Cover
I purchased the Ultra Flex for my new Dodge Ram. It was easy to install like everyone had said. It is water tight, and locks with the tail gate. I am very happy with it so far.
Posted by Bill (Allendale, MI) / September 02, 20182019 Ram 1500
5 of 5
Excellent Tonneau
Installation went smooth, followed along with a YouTube video on how to install. Once installed it is very solid and looks great!
Posted by Samuel (Madisonville, LA) / December 14, 20172015 Ford F-150
5 of 5
Great Product.
This product looks great on my 2011 Silverado. The installation was ridiculously easy and I look forward to testing it out more in the more harsh weather conditions. Completely satisfied with it.
Posted by Lee (Fairbanks, AK) / November 09, 20172011 Chevy Silverado
4 of 5
UnderCover Tonneau Cover
This cover fits great, and looks great. For us, however is a bit heavy and awkward to remove. We sometimes need to remove the Tonneau cover to haul hay or yard material. We are other than that, very happy with the Tonneau cover.
UnderCover® TR36004 - Triad Hard Folding Tonneau Cover
Posted by Jane Anne (Douglas City, CA) / March 31, 20252022 Dodge Ram
5 of 5
Great for Work & Road Trips
Just picked up my new '25 ram and didn't want the bed looking like a storage bin. I often carry work equipment so need this cover to keep everything tucked away neatly instead of looking like a junkyard back there. Very easy to use, great overall.
UnderCover® TR36008 - Triad Hard Folding Tonneau Cover
Posted by User (Holbrook, AZ) / February 04, 20252025 Dodge Ram
5 of 5
OK
I do a lot of camping and this cover has been great for keeping stuff safe from the elements. Even in heavy rain the bed stays dry. Easy to fold when I need to haul bigger items and it feels secure when closed.
Posted by Anonymous (Seattle, WA) / December 21, 20242025 Chevy Silverado 2500
5 of 5
Great for Everyday Use
I got this cover for my 2024 Ranger. I love it! Keeps my groceries dry and my work tools secure. I like that I can fold it back when I need to carry bigger items, so it's really versatile. Didn't have any issues during setup.
Posted by Patrick (Denver, CO) / December 03, 20242024 Ford Ranger