Box Covers

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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., Tie Down Cleats Not Usable w/Cover And Mounting Rails Installed
  • 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., Tie Down Cleats Not Usable w/Cover And Mounting Rails Installed
  • 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., Cargo Management System: Without Deck Rail System
  • 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., Cargo Management System: With Deck Rail System; Tie Down Cleats Not Usable w/Cover Installed
  • 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., Cargo Management System: Without Deck Rail System
  • 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., Cargo Management System: With Deck Rail System; Tie Down Cleats Not Usable w/Cover Installed
  • 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., Tie Down Cleats Not Usable w/Cover And Mounting Rails Installed
  • 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., Tie Down Cleats Not Usable w/Cover And Mounting Rails Installed
  • 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. 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.,
  • 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. 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.,
  • The Ultra Flex Tonneau Cover from UnderCover® and RealTruck® resides in a league of its own. The premium, hard folding truck bed cover offers an overwhelming feature list. From the irresistible outward appearance to each component beneath the cover, the carefully crafted Ultra Flex is the ultimate all-purpose truck bed cover. This high-end, hard-folding tonneau cover is manufactured from only the best materials, including matte-black-coated aluminum top panels and L-Rails. The rigid yet lightweight aluminum panel construction can withstand up to 400 pounds of evenly distributed weight. This truck bed cover is also highly durable and theft-proof—with the tailgate locked, your cargo in the bed is safer than if it were in the cab. The UnderCover Ultra Flex Tonneau Cover is as resistant to inclement weather as it is to theft. UnderCover utilizes a sleek, low-profile design with automatic slam latches, pressing the cover tightly against the integrated EPDM rubber perimeter seals and dual-action tailgate seal to keep water out. Operating the UnderCover Ultra Flex Tonneau Cover is quick and easy. To release the cover, drop the tailgate, pull the latches near the rear of the bed, and fold it toward the bulkhead. You can either secure the cover in the ? open position using the integrated safety straps or fold it flat against the rear window and support it upright with the built-in prop rods, offering full bed access. Closing the cover is just as easy—simply fold it back toward the tailgate as the cover’s innovative slam latches automatically engage, locking each panel into the redesigned L-Rails. The cover’s dual-action tailgate seal allows you to operate the tailgate whether the tonneau cover is opened or closed. UnderCover is a RealTruck brand. When you order this tonneau cover or any other UnderCover product from us, you’re dealing directly with the manufacturer. We back each UnderCover Ultra Flex Tonneau Cover with a 5-year warranty against manufacturing and material defects., Features: Premium hard-folding tonneau cover. Easy-to-use tri-fold design. Durable yet lightweight aluminum-skinned panels. Alluring matte-black smooth finish. Flush, low-profile design. Carpeted under panels. Integrated prop rods allow full bed access while driving. EPDM rubber hinges, perimeter seals, and dual-action tailgate seal. Integrated drain channels and tubes. Simple no-drill installation with clamp-on L-Rail system. Automatic slam latches. 400-lb. weight capacity (evenly-distributed). 5-year warranty.
  • The Ultra Flex Tonneau Cover from UnderCover® and RealTruck® resides in a league of its own. The premium, hard folding truck bed cover offers an overwhelming feature list. From the irresistible outward appearance to each component beneath the cover, the carefully crafted Ultra Flex is the ultimate all-purpose truck bed cover. This high-end, hard-folding tonneau cover is manufactured from only the best materials, including matte-black-coated aluminum top panels and L-Rails. The rigid yet lightweight aluminum panel construction can withstand up to 400 pounds of evenly distributed weight. This truck bed cover is also highly durable and theft-proof—with the tailgate locked, your cargo in the bed is safer than if it were in the cab. The UnderCover Ultra Flex Tonneau Cover is as resistant to inclement weather as it is to theft. UnderCover utilizes a sleek, low-profile design with automatic slam latches, pressing the cover tightly against the integrated EPDM rubber perimeter seals and dual-action tailgate seal to keep water out. Operating the UnderCover Ultra Flex Tonneau Cover is quick and easy. To release the cover, drop the tailgate, pull the latches near the rear of the bed, and fold it toward the bulkhead. You can either secure the cover in the ? open position using the integrated safety straps or fold it flat against the rear window and support it upright with the built-in prop rods, offering full bed access. Closing the cover is just as easy—simply fold it back toward the tailgate as the cover’s innovative slam latches automatically engage, locking each panel into the redesigned L-Rails. The cover’s dual-action tailgate seal allows you to operate the tailgate whether the tonneau cover is opened or closed. UnderCover is a RealTruck brand. When you order this tonneau cover or any other UnderCover product from us, you’re dealing directly with the manufacturer. We back each UnderCover Ultra Flex Tonneau Cover with a 5-year warranty against manufacturing and material defects., Features: Premium hard-folding tonneau cover. Easy-to-use tri-fold design. Durable yet lightweight aluminum-skinned panels. Alluring matte-black smooth finish. Flush, low-profile design. Carpeted under panels. Integrated prop rods allow full bed access while driving. EPDM rubber hinges, perimeter seals, and dual-action tailgate seal. Integrated drain channels and tubes. Simple no-drill installation with clamp-on L-Rail system. Automatic slam latches. 400-lb. weight capacity (evenly-distributed). 5-year warranty.
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