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The UnderCover TRIAD hard-folding tonneau cover fits 1999–2019 Silverado and Sierra models with a 5.5 ft bed (1999–2013 may require a tailgate cap). It uses matte-black aluminum panels and integrated perimeter seals to protect cargo and supports up to 600 lbs of evenly distributed weight. The TRIAD folds to two riding positions, installs assembled for quick fitment, and includes a three-year warranty for peace of mind.
UnderCover 99-19 Silverado / Sierra Limited/Legacy 5.5ft Triad Bed Cover
