The UnderCover Ultra Flex hard-folding tonneau cover, part number undUX22019, is designed for 2015-2020 Ford F-150 models with a 5.5-foot bed. Built for demanding use, it combines a premium-grade matte black aluminum surface with a high-density polymer core for durable, long-lasting protection. Its ultra-low-profile design sits nearly flush with the bed rails, creating a clean appearance while supporting up to 400 pounds when weight is evenly distributed.
The Ultra Flex provides dependable cargo protection in daily driving and harsh conditions. Upgraded seals and tight-fit clamps help keep water, dust, and debris outside the bed, while the soft-impact underside helps protect shifting cargo. Carpeted underpanels provide a finished OEM-style appearance, and the dual-action tailgate seal supports smooth operation. An integrated luminous bed rail light improves visibility when accessing cargo in low-light conditions.
Security and accessibility are built into the patented rail and clamp system. Automatic slam latches secure each panel when the cover is closed, helping keep gear protected and out of sight. When additional carrying space is needed, the cover folds toward the cab and secures in the open position for 100 percent bed access, allowing you to drive safely with the cover fully open. The automatic latching panels reengage when the cover is closed.
Installation is streamlined with UnderCover’s redesigned Tip-and-Click mounting system, which requires no tools and can be completed by one person in under 30 minutes. Tested for extended performance in temperatures from -40 to 180 degrees Fahrenheit and humidity levels up to 95 percent, the Ultra Flex is built to withstand demanding environments. Proudly assembled in Missouri and made in the USA, this UnderCover tonneau cover includes a 5-year warranty supported by product experts and a USA-based customer service team.
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