UnderCover built its reputation on a single product category: UnderCover truck bed covers built as one-piece hard shells, made from a proprietary ABS polymer blend that weighs roughly half what a fiberglass cover weighs. That manufacturing decision, made at the company's Rogersville, Missouri facility, is the reason the covers deliver unparalleled strength relative to their weight: a single person can pop the cover off a Silverado to haul a tall load, then reinstall it in under a minute, and the low profile shell is easy to remove without a second set of hands.
Durability comes from the ABS composite itself, which resists impact and weather without the gel-coat fade fiberglass eventually shows. It is also the reason the lineup still anchors around one-piece designs two decades after the original UnderCover Classic launched.
The UnderCover bed covers sold at Truck Bed Supplies cover the full range the brand produces. That includes the LUX one-piece, painted to match the truck's OEM color, for buyers who want a factory-integrated look, the Elite and Elite LX for a sportier profile with a textured or body-color finish, the Flex and Ultra Flex hard folding truck bed covers that lock in three positions for partial bed access, and the ArmorFlex and Ridgelander for overland setups. Truck Bed Supplies is an authorized UnderCover dealer, which means every cover ships with the full factory warranty, and our Vehicle Fitment Guarantee.
Why Buy UnderCover from Truck Bed Supplies?
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Authorized Dealer: TBS is an authorized UnderCover dealer. Every purchase is backed by the full manufacturer warranty, with no gray-market risk.
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Vehicle Fitment Guarantee: Every UnderCover product is guaranteed to fit your exact truck. If it does not, TBS will make it right.
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Military & Heroes Discount: 7% off every eligible order for military, veterans, first responders, and K-12 educators, verified through GovX ID.
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Expert Support: Product specialists available by phone, email, and live chat, Monday to Friday, 8am to 6pm EST.
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UnderCover Flex Hard Folding Covers: The Flex is UnderCover's tri-fold, made for buyers who want hard folding construction with the same brand backing.
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UnderCover Elite LX One-Piece Covers: Paint-matched one-piece covers for buyers who want the cover to disappear into the truck's factory lines.
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Hard Folding Tonneau Covers: Compare the UnderCover Flex against hard folding covers from BAK, Extang, and LOMAX in one category view.
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One Piece Tonneau Covers: See every one-piece cover TBS carries, useful when deciding between UnderCover and Fas-Top on configuration.
Which UnderCover Tonneau Cover Is Right for You?
Best for a Factory-Matched Look
The LUX is the UnderCover one-piece truck bed cover to choose when the paint code matters. Each cover is painted to match the truck's OEM color at the factory, so the cover blends with the bed sides and tailgate rather than sitting on top as a visible aftermarket piece.
Best for Partial Bed Access
The Flex and Ultra Flex are the UnderCover hard folding truck bed cover models, locking securely in three positions: closed, half-open at the front panel, and fully off. The low profile aluminum panel construction means the cover sits flat against the bed rails when closed, and the multi-position latch makes them the right pick for buyers who load bulky cargo regularly.
Best for Overland and Camping Setups
The ArmorFlex is built around rack compatibility and rated for evenly distributed loads on top of the cover. Buyers running a rooftop tent or hauling kayaks and recovery gear get a hard folding cover that doubles as a load platform.
Best on a Lighter Budget
The UnderCover SE and SE Ridgelander sit at the entry point of the UnderCover range. Buyers get the same one-piece truck bed ABS construction as the flagship models in a textured matte black finish, without the painted-to-match treatment or interior lighting upgrades.