Undercover Flex
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 remove, requires no drilling for installation, 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 FRP panels providing more strength, durability and dent resistance than aluminum panels.
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.
- Low-Profile Design
- 100% Bed Access
- FRP Top Skin Panels
- Weather Resistant
- Three Secure Driving Positions
- Heavy-Duty Construction
- Easy, No-Drill Install
- UV Protective Black Finish
- Made in the USA

Full Bed Access
Built-in prop rods secure the cover allowing your truck to be driven with the cover fully open.

Weather Resistant
Rubber seals and drain tubes channel water away from and out of the bed.

Heavy Duty Construction
The Flex is constructed with heavy-duty FRP panels providing more strength, durability and dent resistance than aluminum panels.

Simple Operation
Easy-to-use slam latches are mounted on both sides of the cover, allowing the cover to be opened from either side of the truck.
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Image | Description | Price |
Quantity
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Undercover Flex - FX11000Item ID: FX11000
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$879.00 |
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Undercover Flex - FX11001Item ID: FX11001
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$879.00 |
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Undercover Flex - FX11002Item ID: FX11002
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$879.00 |
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Undercover Flex - FX11003Item ID: FX11003
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$879.00 |
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Undercover Flex - FX11004OVERSIZE ITEM
Fits: 2007-2013 Chevrolet Silverado 1500 - 5.8 ft. Bed 2007-2013 GMC Sierra 1500 - 5.8 ft. Bed (Excludes 2007 Classic) Item ID: FX11004
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$879.00 |
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Undercover Flex - FX11005OVERSIZE ITEM
Fits: 2007-2013 Chevrolet Silverado 1500 - 5.8 ft. Bed 2007-2013 GMC Sierra 1500 - 5.8 ft. Bed (Excludes 2007 Classic) Item ID: FX11005
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$879.00 |
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Undercover Flex - FX11006OVERSIZE ITEM
Fits: 2007-2013 Chevrolet Silverado 1500 - 5.8 ft. Bed 2007-2013 GMC Sierra 1500 - 5.8 ft. Bed (Excludes 2007 Classic) Item ID: FX11006
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$879.00 |
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Undercover Flex - FX11007OVERSIZE ITEM
Fits: 2007-2013 Chevrolet Silverado 1500 - 6.5 ft. Bed 2007-2014 Chevrolet Silverado 2500/3500 - 6.5 ft. Bed 2007-2013 GMC Sierra 1500 - 6.5 ft. Bed 2007-2014 GMC Sierra 2500/3500 - 6.5 ft. Bed (Excludes 2007 Classic) Item ID: FX11007
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$879.00 |
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Undercover Flex - FX11008OVERSIZE ITEM
Fits: 2007-2013 Chevrolet Silverado 1500 - 6.5 ft. Bed 2007-2014 Chevrolet Silverado 2500/3500 - 6.5 ft. Bed 2007-2013 GMC Sierra 1500 - 6.5 ft. Bed 2007-2014 GMC Sierra 2500/3500 - 6.5 ft. Bed (Excludes 2007 Classic) Item ID: FX11008
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$879.00 |
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Undercover Flex - FX11009OVERSIZE ITEM
Fits: 2007-2013 Chevrolet Silverado 1500 - 6.5 ft. Bed 2007-2014 Chevrolet Silverado 2500/3500 - 6.5 ft. Bed 2007-2013 GMC Sierra 1500 - 6.5 ft. Bed 2007-2014 GMC Sierra 2500/3500 - 6.5 ft. Bed (Excludes 2007 Classic) Item ID: FX11009
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$879.00 |
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Undercover Flex - FX11012OVERSIZE ITEM
Fits: 2004-2006 Chevrolet Silverado 1500 - 5.8 ft. Bed 2007 Chevrolet Silverado (Classic) 1500 - 5.8 ft. Bed 2004-2006 GMC Sierra 1500 - 5.8 ft. Bed 2007 GMC Sierra 1500 (Classic) - 5.8 ft. Bed Item ID: FX11012
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$879.00 |
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Undercover Flex - FX11013OVERSIZE ITEM
Fits: 1999-2006 Chevrolet Silverado 1500 - 6.5 ft. Bed 2001-2006 Chevrolet Silverado 2500/3500 - 6.5 ft. Bed 2007 Chevrolet Silverado 1500/2500/3500 (Classic) - 6.5 ft. Bed 1999-2006 GMC Sierra 1500 - 6.5 ft. Bed 2001-2006... Item ID: FX11013
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$879.00 |
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Undercover Flex - FX11018OVERSIZE ITEM
Fits: 2014-2018 Chevrolet Silverado 1500 - 5.8 ft. Bed 2014-2018 GMC Sierra 1500 - 5.8 ft. Bed Item ID: FX11018
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$879.00 |
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Undercover Flex - FX11019OVERSIZE ITEM
Fits: 2014-2018 Chevrolet Silverado 1500 - 6.5 ft. Bed 2015-2018 Chevrolet Silverado 2500/3500 - 6.5 ft. Bed 2014-2018 GMC Sierra 1500 - 6.5 ft. Bed 2015-2018 GMC Sierra 2500/3500 - 6.5 ft. Bed Item ID: FX11019
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$879.00 |
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Undercover Flex - FX11020OVERSIZE ITEM
Fits: 2019-2020 Chevrolet Silverado 1500 - 5.8 ft. Bed 2019-2020 GMC Sierra 1500 - 5.8 ft. Bed Item ID: FX11020
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$879.00 |
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Undercover Flex - FX11021OVERSIZE ITEM
Fits: 2019-2020 Chevrolet Silverado 1500 - 6.5 ft. Bed 2019-2020 GMC Sierra 1500 - 6.5 ft. Bed Item ID: FX11021
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$879.00 |
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Undercover Flex - FX11022OVERSIZE ITEM
Fits: 2019-2020 Chevrolet Silverado 1500 - 5.8 ft. Bed 2019-2020 GMC Sierra 1500 - 5.8 ft. Bed Item ID: FX11022
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$879.00 |
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Undercover Flex - FX11023OVERSIZE ITEM
Fits: 2019-2020 Chevrolet Silverado 1500 - 6.5 ft. Bed 2019-2020 GMC Sierra 1500 - 6.5 ft. Bed Item ID: FX11023
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$879.00 |
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Undercover Flex - FX11024OVERSIZE ITEM
Fits: 2020-2021 Chevrolet Silverado 2500 HD - Short Bed (82.2" Box) 2020-2021 Chevrolet Silverado 3500 HD - Short Bed (82.2" Box) 2020-2021 GMC Sierra 2500 HD - Short Bed (82.2" Box) 2020-2021 GMC Sierra 2500 HD - Short Bed (82... Item ID: FX11024
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$879.00 |
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Undercover Flex - FX21000OVERSIZE ITEM
Fits: 1997-2003 Ford F-150 - 6.5 ft. Bed 2004 Ford F-150 (Heritage Edition) - 6.5 ft. Bed Item ID: FX21000
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$879.00 |
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Undercover Flex - FX21002OVERSIZE ITEM
Fits: 2004-2014 Ford F-150 - 5.5 ft. Bed 2006-2009 Lincoln Mark LT - 5.5 ft. Bed (Excludes 2004 Heritage Edition) Item ID: FX21002
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$879.00 |
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Undercover Flex - FX21004OVERSIZE ITEM
Fits: 2004-2014 Ford F-150 - 6.5 ft. Bed 2006-2009 Lincoln Mark LT - 6.5 ft. Bed (Excludes 2004 Heritage Edition) (Excludes Flareside) Item ID: FX21004
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$879.00 |
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Undercover Flex - FX21007Item ID: FX21007
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$879.00 |
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Undercover Flex - FX21010Item ID: FX21010
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$879.00 |
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Undercover Flex - FX21012Item ID: FX21012
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$879.00 |
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