Tri-Fold Tonneau Covers

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  • 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.,
  • For ultimate cargo protection, you can’t beat a rugged, hard tri-fold bed cover, like the UnderCover® Flex from RealTruck®. The premium truck bed cover offers a robust and secure hard-shell construction, easy-to-use folding design, low-profile aesthetic, and exceptional weather resistance, protecting your truck bed in all conditions. The UnderCover Flex Tonneau Cover features rigid yet lightweight aluminum panel construction for superior durability. These panels are impact, abrasion, and cut-resistant—they can even support up to 400 pounds when evenly distributed. UnderCover treats the Flex Tonneau Cover with a durable gloss-black coating for superior corrosion resistance and sleek styling. Accessing your truck’s cargo area is simple and quick—simply drop the tailgate, pull either of the cover’s release cables, and fold the cover onto itself toward the bulkhead. You can secure the cover in the ? open position with the integrated safety straps or fold it flush against the rear window, securing it with built-in prop rods for 100-percent bed access. When you’re finished loading or unloading, close the tonneau cover, fasten and lock the tailgate, and your cargo in the bed is safer than your cargo in the cab. Installing the UnderCover Flex is just as easy using UnderCover’s clamp-on mounting system. The UnderCover Flex is just as resistant to inclement weather as it is to theft. The tonneau cover’s EPDM rubber hinges, perimeter seals, and dual-action tailgate seal prevent moisture from seeping into the bed. Any water that slips past the side seals gets diverted through built-in water channels and out of integrated drain tubes, keeping your cargo dry. 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 Flex Tonneau Cover with a limited 3-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. Corrosion-resistant gloss-black textured finish. Flush, low-profile design. EPDM rubber hinges, perimeter seals, and dual-action tailgate seal. Integrated drain channels and tubes. Offers complete full bed access when folded flush against the cab. Simple no-drill installation. 400-lb. weight rating (evenly distributed). Limited 3-year warranty.
  • For ultimate cargo protection, you can’t beat a rugged, hard tri-fold bed cover, like the UnderCover® Flex from RealTruck®. The premium truck bed cover offers a robust and secure hard-shell construction, easy-to-use folding design, low-profile aesthetic, and exceptional weather resistance, protecting your truck bed in all conditions. The UnderCover Flex Tonneau Cover features rigid yet lightweight aluminum panel construction for superior durability. These panels are impact, abrasion, and cut-resistant—they can even support up to 400 pounds when evenly distributed. UnderCover treats the Flex Tonneau Cover with a durable gloss-black coating for superior corrosion resistance and sleek styling. Accessing your truck’s cargo area is simple and quick—simply drop the tailgate, pull either of the cover’s release cables, and fold the cover onto itself toward the bulkhead. You can secure the cover in the ? open position with the integrated safety straps or fold it flush against the rear window, securing it with built-in prop rods for 100-percent bed access. When you’re finished loading or unloading, close the tonneau cover, fasten and lock the tailgate, and your cargo in the bed is safer than your cargo in the cab. Installing the UnderCover Flex is just as easy using UnderCover’s clamp-on mounting system. The UnderCover Flex is just as resistant to inclement weather as it is to theft. The tonneau cover’s EPDM rubber hinges, perimeter seals, and dual-action tailgate seal prevent moisture from seeping into the bed. Any water that slips past the side seals gets diverted through built-in water channels and out of integrated drain tubes, keeping your cargo dry. 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 Flex Tonneau Cover with a limited 3-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. Corrosion-resistant gloss-black textured finish. Flush, low-profile design. EPDM rubber hinges, perimeter seals, and dual-action tailgate seal. Integrated drain channels and tubes. Offers complete full bed access when folded flush against the cab. Simple no-drill installation. 400-lb. weight rating (evenly distributed). Limited 3-year warranty.
  • The TRIAD by UnderCover is a hard-folding truck bed cover featuring matte black panels for a sleek and innovative addition to your truck bed. Integrated perimeter seals protect your truck bed from the elements, while aluminum panels enhance the security of your truck bed and support up to 600 lbs of evenly distributed weight. The TRIAD has 2 available riding positions in the fully closed and 2/3 open position for convenience to haul and manage most any cargo. The TRIAD is fashioned with easy-to-use tailgate clamps allowing quick access to the truck bed. The TRIAD hard-folding cover comes completely assembled to provide a quick and easy installation and backed by a 3-year warranty., NOTE: Will NOT work with UnderCover SwingCase
  • The TRIAD by UnderCover is a hard-folding truck bed cover featuring matte black panels for a sleek and innovative addition to your truck bed. Integrated perimeter seals protect your truck bed from the elements, while aluminum panels enhance the security of your truck bed and support up to 600 lbs of evenly distributed weight. The TRIAD has 2 available riding positions in the fully closed and 2/3 open position for convenience to haul and manage most any cargo. The TRIAD is fashioned with easy-to-use tailgate clamps allowing quick access to the truck bed. The TRIAD hard-folding cover comes completely assembled to provide a quick and easy installation and backed by a 3-year warranty., NOTE: without Trail Special Edition Storage Boxes
  • The TRIAD by UnderCover is a hard-folding truck bed cover featuring matte black panels for a sleek and innovative addition to your truck bed. Integrated perimeter seals protect your truck bed from the elements, while aluminum panels enhance the security of your truck bed and support up to 600 lbs of evenly distributed weight. The TRIAD has 2 available riding positions in the fully closed and 2/3 open position for convenience to haul and manage most any cargo. The TRIAD is fashioned with easy-to-use tailgate clamps allowing quick access to the truck bed. The TRIAD hard-folding cover comes completely assembled to provide a quick and easy installation and backed by a 3-year warranty., NOTE: without Trail Special Edition Storage Boxes
  • 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.,
  • 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.,
  • 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.,
  • 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.,
  • 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 bed is equipped with factory stowable bed ramps, they must be removed to install cover
  • 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 bed is equipped with factory stowable bed ramps, they must be removed to install cover
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