Low‑profile. Durable. Full-bed access.
When you want a rugged, hard-folding tonneau that remains sleek but delivers full cargo protection and better utility than fabric covers, the UnderCover Flex is a smart choice. It offers a clean appearance, efficient operation, and serious build quality—perfect for the everyday truck owner.
Features & Specs
- Aluminum-skinned panels. Built from rigid yet lightweight aircraft-grade aluminum, these panels resist impacts, abrasions, and cuts. Designed to support up to 400 lb evenly distributed.
- Gloss-black textured finish. A corrosion-resistant coating endures outdoor elements and maintains a sleek look across seasons.
- Flush, low-profile design. Mounted inside the bed rails, this product looks just right on the truck because it is close to a factory-styled, nearly seamless appearance.
- Tri-fold operation with full-bed flexibility. Pull one of the release cables, fold back two panels for ⅔ access, or fold against the cab, secured by prop rods, for 100% bed clearance.
- Weather-tight sealing. EPDM rubber hinges and perimeter seals, plus a dual-action tailgate seal, prevent water intrusion. Drain channels in the rails redirect moisture safely away.
- No-drill clamp-on installation. DIY-friendly mounting in under an hour, with quick-release hardware that allows tool-free removal.
- Lightweight & easy removal. At approximately 70 lb, one person can remove it in seconds using included quick-release knobs, which is ideal for seasonal adjustments.
- Proudly built in Missouri. Assembled in the USA with global-sourced materials, backed by a limited 3‑year warranty on structure and finish.
What You Get
Below is the detailed list of everything you get in the shipment whenever you purchase the Undercover Flex hard folding tonneau cover.
- Fully assembled UnderCover Flex tonneau cover;
- Bed-rail clamps, release cables, and prop rods;
- EPDM sealing system and drain tubes;
- Quick-release knobs for fast removal;
- Detailed, no-drill installation guide.
Installation & Compatibility
The Flex hard folding tonneau cover clamps directly to factory rails, with no drilling or modifications needed. It installs in under an hour and can be completely removed in minutes. The bed cover is compatible with most drop-in liners and tailgate assist systems.
Why the Flex Stands Out
- Concealed, flush-fitting design with a sleek matte look;
- Robust aluminum construction rated for 400 lb payload;
- Weatherproof engineering keeps gear dry and safe;
- Easy tri-fold folding sequence and full-bed access;
- Tool-free, DIY installation and removal;
- Built in the USA, with reliable manufacturer support.
The UnderCover Flex isn’t just another cover; it’s a thoughtful upgrade. It blends durability, convenience, and style, all in a compact, user-friendly package.
