Features to know about

Keeps Your Toolbox and Bed Working Together: Behind-the-Box Fit

A lot of covers get in the way when you’ve got a toolbox up front. This one’s built specifically to fit behind most 19"–21" over-the-rail toolboxes, so you can still open and close your box without touching the cover. It sits 1-1/2" above the bed, giving you a little extra covered space while keeping a seamless line from toolbox to tailgate. The front header bar forms a tight barrier between the cover and the box, keeping weather and dust from creeping in.

Full Bed Access When You Need It: Roll-Up Design

When it’s time to haul something tall or bulky, just peel back the hook-and-loop seals and roll the cover toward the toolbox. It stows neatly behind the box with premium straps and clips that hold it in place while you drive. The reinforced aluminum bows support the vinyl so it rolls smoothly and easily every time, and the AutoLatch II dual locks snap automatically when you close it again—no fussing with separate catches.

Weather Protection That Works Year-Round: Double-Coated Vinyl and Element Seal

Rain, snow, and sun don’t stand a chance against the double-coated, UV-blocking vinyl. It stays flexible down to -40 °F, won’t shrink or fade, and keeps its tight fit through temperature swings. The Element weather seal behind the toolbox, reinforced vinyl flap at the tailgate, and contoured rails combine to block water and dirt from getting into your bed, so your gear stays dry and clean no matter the season.

Quick Adjustments Without Tools: XT-Dial Tension Control

Covers can loosen up after a few weeks in the sun or cold, but the XT-Dial tension adjuster keeps this one snug with just a twist. You can set the tension exactly how you want it—no wrenches, no clamps to move. Once dialed in, the cover stays tight and quiet at highway speed, and the aerodynamic Slantback design even helps cut wind drag, improving gas mileage by up to 10 percent.

Built to Last and Stay Secure: Powder-Coated Aluminum Rails and Tight Bite Clamps

The contoured black powder-coated aluminum rails resist rust and mount inside the bed rails, leaving your stake pockets open for racks or tie-downs. Tight Bite clamps with serrated teeth grab the rails firmly for a solid, rattle-free fit. Lock your tailgate and the cover keeps your cargo secure without interfering with toolbox or tailgate operation. Durable materials and smart hardware make this a long-term setup that works as hard as your truck.