Pickup Truck Sleeper Caps
How to Choose the Right Rubber Boot Seal
You can acquire rubber boot material for your special project. This seal is extruded from hard-wearing EPDM synthetic rubber substance and incorporates a bendable spring steel clip for fastening to any rim. This material is sold by the foot. To find how much you require measure the distance encircling your cab opening. You get three alternatives of rubber to apply for sealing your cabs together.
Quick and Easy Installation
Installing this rubber boot is user-friendly and requires minimal tools. Just clip the seal firmly onto the frame of the window or pass through opening. This forms a watertight connection between the two units. Whether you're traveling, this seal blocks dust and ensures cabin integrity during your journey.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is often used in vehicle sealing applications. It's suitable for most mid-size trucks. Whether you're repairing a camper shell or building a custom rig, this seal offers broad fitment and dependable performance for your cab connection project.
Pickup Truck Sleeper Caps Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Fast, Reliable Shipping | Quick turnaround when time-sensitive installs are needed | Helpful for last-minute road trip or show prep |
| Forgiving Fit | Can accommodate minor mismatches in height and width | Useful for older vehicles or hand-cut openings |
| Adapts to Slightly Uneven Openings | Flexible enough to seal even when openings aren’t perfectly aligned | Even though it is best that the opening match exactly there is some wiggle room to make minor adjustments for custom truck and canopy installations |
Order Form
To begin your order just enter the total amount of feet of boot material you need in the appropriate box next to the item you want to order below. Check your entries then click on the "Order Now " button.
Accordion Boot - Part Number 541

The accordion boot is designed for cabs where you take out the truck window. This product works best with fiberglass shells that are 1/8" to 3/16" thick. Please note that both openings must be exactly the same size for this boot to fit properly.

$8.95 per foot
In Stock
Order 541
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Compression Boot - Part Number 540

Use this seal when you leave the rear slider window in the truck. This product works best with fiberglass shells that are 1/8" to 3/16" thick. You will also use this boot if the opening in the fiberglass shell is much larger than the opening in your truck.

$7.95 per foot
In Stock
Order 540
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Extra Wide Accordion Boot - Part Number 543

The extra wide accordion boot is designed applications where you have a large gap between the space you want to seal. This product works best with fiberglass shells or sheet metal flange that are 1/8" to 3/16" thick. Both openings must be exactly the same size for this boot to fit properly.
$11.50 per foot
In Stock
Order 543
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Accordion Boot - Ultra Wide 10" Part Number 544

The Ultra Wide 10 Inch accordion boot is designed for very wide gaps between cabs.. This product works best with fiberglass shells that are 1/8" to 3/16" thick. Please note that both openings must be exactly the same size for this boot to fit properly.
$13.90 per foot
In Stock
Order 544
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Accordion Boot 15 - Part Number 546

The Accordion Boot 15 is designed applications where you have a large gap between the space you want to seal. This product works best with fiberglass shells or sheet metal flange that are 1/8" to 3/16" thick. Both openings must be exactly the same size for this boot to fit properly.
$16.50 per foot
In Stock
Order 546
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Compression Bulb Seal - Part Number 545

Use this seal when you leave the rear slider window in the truck. This product works best with fiberglass shells that are 1/8" to 3/16" thick. You will also use this boot if the opening in the fiberglass shell is much larger than the opening in your truck.
$8.25 per foot
In Stock
Order 545
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Frequently Asked Questions
- Is a pickup truck sleeper caps weatherproof?
Yes, a pickup truck sleeper caps made from EPDM rubber is fully resistant to UV rays, water, and temperature extremes.
- What type of rubber is used in your boots?
Our boots are made from high-quality black EPDM rubber, known for its durability, UV resistance, and flexibility across extreme temperatures.
- What do you recommend is the smallest radius cut out in the corners of the opening?
The recommended minimum radius is 1 inch for the boot for corners.
