Get your semi truck Ready for the Road Ahead™ with an ultra-cozy sleeping area, with the InnerSpace 35" x 79" x 6-1/2" Luxury Foam Compression Rolled Mattress. Due to its high-density design, this replacement mattress is the ideal option for operators that require an in-cab sleeping option. Manufactured with a durable and stain-resistant polyester blend. FleetPride is your First Click in Heavy Duty®.