Cowboy Sleeper Shell Boot

Cowboy Sleeper Shell Boot

Only Buy What You Need - Rubber Boot Material Sold by the Foot

This item is purchased by the foot. Unlike other businesses that force you to buy more than you need. You acquire the precise quantity you need. No overage.

Quick and Easy Installation

Installing this rubber boot is user-friendly and can be done with few tools. Just clip the seal tightly onto the lip of the window or pass through opening. This provides a weatherproof connection between the two units. Even if you're hauling, this seal prevents rain and ensures temperature control during your journey.

Why EPDM Rubber Is the Best Choice for Long-Lasting Seals

The EPDM rubber seal is crafted to endure challenging conditions such as heat. It's tailored for both off-grid builds. Compared to low-grade seals, this material retains flexibility. It's a reliable option for anyone looking to preserve their truck cab connection with a dependable sealing solution.

Cowboy Sleeper Shell Boot Features and Benefits

Feature Benefit Use Case
Supports Walk-Through Conversions Lets you convert separate spaces into one continuous interior Used in van builds, campers, and custom sleeper cabs
Embedded Steel Spring Clip Maintains a secure grip on flanges without adhesive Stable connection between cab and shell
Trusted by Pros and DIYers Field-tested by thousands in real-world applications Confidence in product from verified reviews and installs

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

Accordion Boot

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.

How Accordion Boot Works Animation

$8.95 per foot

In Stock

Order 541

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Compression Boot - Part Number 540

Compression Boot

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.

How Compression Boot Works Animation

$7.95 per foot

In Stock

Order 540

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Extra Wide Accordion Boot - Part Number 543

Extra Wide Accordion Boot

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Accordion Boot - Ultra Wide 10" Part Number 544

Accordion Boot 10 inch wide

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Accordion Boot 15 - Part Number 546

Extra Wide Accordion Boot

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Compression Bulb Seal - Part Number 545

Compression Bulb Seal

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Frequently Asked Questions

  • How weatherproof is the cowboy sleeper shell boot?

    The EPDM accordion boot creates an airtight, watertight seal when installed correctly. It's designed to keep rain, dust, and wind out — ideal for camper conversions and pass-throughs.

  • What is the minimum corner radius I can use?

    The recommended minimum radius for corners is 1 inch. Tighter corners may cause the cowboy sleeper shell boot to bunch or kink.

  • Will a cowboy sleeper shell boot reduce road noise?

    Yes, the air-tight seal created by the cowboy sleeper shell boot helps block wind noise and some road vibrations between the cab and camper.