The SleepDog® Size C semi truck mattress is one of the largest truck mattresses on the market. Measuring 42” wide by 80” long, this mattress size brings a whole new level of comfort to your sleeper cabin.
The size C truck mattress stands out at 42” wide by 80” long, making it one of the largest semi truck mattresses available. Though not as wide as a standard full size mattress, it does maintain the length of standard twin XL, queen, and king mattress sizes.
International 73” Sleeper
A double bunk configuration, the 73” sleeper boasts a well-equipped cabin suited for team driving.
Kenworth W990 & W900
A spacious truck series with a touch of luxuriousness, making the size C mattress perfect for the space.
Peterbilt 567
The 80” sleeper configuration accommodates a size C mattress, along with plenty of storage and lighting.
*Please note: When looking for a replacement mattress it is important to know the exact measurements of your sleeping area. While most sleeper cabins accommodate standard semi-truck mattress sizes, the best and most accurate way to measure for your new mattress is to measure the width and length of your sleeper berth.
Try your size C semi-truck mattress risk-free for 120 nights. If you don't love your new SleepDog® truck mattress after sleeping on it for 60 nights, let us know and we will get the return process started. Details can be found in our Return Policy.
All of the memory foam we develop for our truck and RV mattresses is CertiPUR-US® certified and DOT approved. This means that the foam in each semi truck mattress has been tested by accredited labs and has been certified as safe to sleep on, as well as appropriate for road travel. We use multiple layers of our house-made memory foam to provide the perfect balance of support and pressure relief for all sleepers.
We partner with Affirm to offer flexible financing options, so you can pay with fixed monthly payments with rates between 0-30% APR. Simply select Affirm at checkout and complete an application that won’t affect your credit score. Prequalify Now.
The SleepDog® mattress is our 7” low profile dual layer memory foam mattress with a medium-firm feel that contours to your body and minimizes motion transfer to accommodate semi-truck or RV traveling.
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The BigDawg® features a 9” plush multilayer memory foam and quilted foam cover construction, making it a double-sided mattress that can be flipped for either a soft or firm feel.
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Size C semi-truck mattresses are one of the largest truck mattresses available on the market, measuring 42” wide by 80” long.
Size C, 42” x 80” truck mattresses are frequently found in the sleeper cabins of the Peterbilt 567, Kenworth W990 & W900, and International 73" Sleeper.
Size C SleepDog® mattresses are DOT approved and designed with multiple layers of CertiPUR-US® certified memory foam to give truck drivers a safe and supportive place to sleep. The mattresses are built to minimize motion transfer and provide pressure relief while withstanding the rigors of road travel.
Yes. SleepDog® provides a risk-free 120-night sleep trial for all truck mattresses and RV mattresses. If you’re not satisfied with your Size C truck mattress after sleeping on it for 60 nights, you may begin the return process. See the Return Policy for further information.
SleepDog® partners with Affirm to offer flexible financing. These options enable qualifying customers to make easy monthly payments at interest rates ranging from 0% to 30%. Learn more about our financing options here.
