If you’re looking for a versatile tonneau cover that can securely protect your gear from rain and dirt while off the trail, safeguard your truck bed contents from prying eyes, and maximize its protection with secure perimeter locking, flush-fit seals, and rigid panel construction, the American-made lineup of tonneau covers by UnderCover is worth your attention.
The company manufactures its premium tonneaus and accessories for pickups using high-end engineering technologies to set a new standard for convenience, weather protection, and security. UnderCover tonneaus are crafted with precision using automotive-grade aluminum, steel, and polymer composites, masterfully combined with cutting-edge features to ensure smooth operation without the risk of jamming or freezing in extreme weather conditions. Every cover undergoes rigorous testing and multiple quality inspections during production.
Today, we’re showcasing the top four UnderCover hard tonneau cover options: Ultra FLEX, Armor FLEX, Elite LX, and LUX, each offering unique benefits, from rugged durability to factory-like aesthetics.
The Ultra FLEX offers a perfect blend of rugged durability and everyday functionality. This hard folding tonneau cover features a matte black finish for a premium look and aluminum panels that provide exceptional protection. With dual-action tailgate operation and full-bed access when needed, the Ultra FLEX is an excellent choice for those who want both convenience and security.
UnderCover® - Ultra FLEX Hard Folding Tonneau Cover





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 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;
Take durability to the next level with the Armor FLEX. Built with heavy-duty aluminum panels and an impact-resistant LINE-X coating, this cover is designed to handle the toughest environments. It features weather-resistant seals to keep moisture out and a low-profile design that enhances your truck’s aerodynamics.
UnderCover® - Armor FLEX Hard Folding Tonneau Cover



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 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;
Color Black;
Includes:
(1) Tonneau Cover;
Side Mounting Rails, Left and Right (pre - assembled);
Hardwares;
Installation Instructions;
(2) Drain tubes;
For those looking for a more seamless, factory-painted option, the Elite LX is a premium hard tonneau cover that blends perfectly with your truck’s body. Its automotive-grade paint finish matches OEM colors, while the X-Effect structure provides outstanding strength and durability. Plus, the integrated locking mechanism ensures maximum security for your cargo.
UnderCover® - Elite LX Hard Hinged Tonneau Cover




Specifications:
Cover Type Hard;
Tonneau Type Hinged;
Mounting Type Over Bed Rails;
Security Locking;
Toolbox Compatible No;
Toolbox Included No;
Design Standard 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 ABS;
Includes:
(1) Tonneau Cover;
Hardwares;
Installation Instructions;
Outfitted with a simple-to-use lift system, the LUX offers a similar design to the Elite LX but with a streamlined, one-piece construction that eliminates the need for additional hardware. It’s paint-matched to your truck, providing a clean, factory-installed look.
UnderCover® - LUX Hard Hinged Tonneau Cover




Specifications:
Cover Type Hard;
Tonneau Type Hinged;
Mounting Type Over Bed Rails;
Security Locking;
Toolbox Compatible No;
Toolbox Included No;
Design Standard 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 ABS;
Includes:
(1) Tonneau Cover;
Hardwares;
Installation Instructions;
Complete your setup with our selection of storage bags, bed pockets, locks, and cargo bars, designed to complement your new tonneau cover perfectly.
Choosing the right tonneau cover depends heavily on your needs, whether it’s security, durability, or aesthetics. With an UnderCover hard tonneau cover on, you can be 100% sure that your truck looks its best and gets the best bed protection possible.
The company manufactures its premium tonneaus and accessories for pickups using high-end engineering technologies to set a new standard for convenience, weather protection, and security. UnderCover tonneaus are crafted with precision using automotive-grade aluminum, steel, and polymer composites, masterfully combined with cutting-edge features to ensure smooth operation without the risk of jamming or freezing in extreme weather conditions. Every cover undergoes rigorous testing and multiple quality inspections during production.
Today, we’re showcasing the top four UnderCover hard tonneau cover options: Ultra FLEX, Armor FLEX, Elite LX, and LUX, each offering unique benefits, from rugged durability to factory-like aesthetics.
The Ultra FLEX offers a perfect blend of rugged durability and everyday functionality. This hard folding tonneau cover features a matte black finish for a premium look and aluminum panels that provide exceptional protection. With dual-action tailgate operation and full-bed access when needed, the Ultra FLEX is an excellent choice for those who want both convenience and security.
UnderCover® - Ultra FLEX Hard Folding Tonneau Cover





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 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;
Take durability to the next level with the Armor FLEX. Built with heavy-duty aluminum panels and an impact-resistant LINE-X coating, this cover is designed to handle the toughest environments. It features weather-resistant seals to keep moisture out and a low-profile design that enhances your truck’s aerodynamics.
UnderCover® - Armor FLEX Hard Folding Tonneau Cover



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 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;
Color Black;
Includes:
(1) Tonneau Cover;
Side Mounting Rails, Left and Right (pre - assembled);
Hardwares;
Installation Instructions;
(2) Drain tubes;
For those looking for a more seamless, factory-painted option, the Elite LX is a premium hard tonneau cover that blends perfectly with your truck’s body. Its automotive-grade paint finish matches OEM colors, while the X-Effect structure provides outstanding strength and durability. Plus, the integrated locking mechanism ensures maximum security for your cargo.
UnderCover® - Elite LX Hard Hinged Tonneau Cover




Specifications:
Cover Type Hard;
Tonneau Type Hinged;
Mounting Type Over Bed Rails;
Security Locking;
Toolbox Compatible No;
Toolbox Included No;
Design Standard 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 ABS;
Includes:
(1) Tonneau Cover;
Hardwares;
Installation Instructions;
Outfitted with a simple-to-use lift system, the LUX offers a similar design to the Elite LX but with a streamlined, one-piece construction that eliminates the need for additional hardware. It’s paint-matched to your truck, providing a clean, factory-installed look.
UnderCover® - LUX Hard Hinged Tonneau Cover




Specifications:
Cover Type Hard;
Tonneau Type Hinged;
Mounting Type Over Bed Rails;
Security Locking;
Toolbox Compatible No;
Toolbox Included No;
Design Standard 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 ABS;
Includes:
(1) Tonneau Cover;
Hardwares;
Installation Instructions;
Complete your setup with our selection of storage bags, bed pockets, locks, and cargo bars, designed to complement your new tonneau cover perfectly.
Choosing the right tonneau cover depends heavily on your needs, whether it’s security, durability, or aesthetics. With an UnderCover hard tonneau cover on, you can be 100% sure that your truck looks its best and gets the best bed protection possible.