15/20
Linenspa 2″ Gel Memory Foam Mattress Topper — Twin XL (15/20)
Two inches of gel memory foam, Twin XL for the bunk. Sleeps cooler than plain foam.
Guide
Sleeper mattress & topper guide
You spend a third of your life in the bunk. Stop sleeping on a stock foam slab.
Updated October 5, 2026
Nobody talks about the mattress, but it's the highest-ROI comfort item in the cab. You can have the perfect seat and still wake up wrecked if the bunk is a plywood plank with delusions of grandeur.
Know your size
Sleeper bunks aren't standard residential sizes. Common truck bunk dimensions run roughly 38–42" wide by 75–80" long, but measure yours — cabs vary. Twin XL toppers (38×80) are usually the closest off-the-shelf fit; trim or tuck the excess.
Toppers
12/20
LUCID 3″ Gel Memory Foam Mattress Topper — Twin XL (Ultra Plush) (12/20)
Three inches of gel foam for the bunk. Thicker than the Linenspa, simpler build.
Full replacements
14/20
Foamma 5″ × 48″ × 75″ Firm Bunk Mattress — Truck/RV Sized (14/20)
A firm bunk mattress in truck and RV sizing. For when a topper is a bandage and you need the real fix.
13/20
Zinus 8″ green tea memory foam mattress — twin (13/20)
Eight inches of memory foam for the bunk. Thick, comfortable, and a pain to maneuver into the cab.
11/20
Zinus 6″ gel memory foam mattress — twin (11/20)
Our lowest sleep score — but buyers rate it 4.3 stars. Read both and decide whose priorities match yours.
The best mattress is the one that makes you forget you're in a truck.
Sleeping warm
Pair the mattress with a real winter bag for cold months — see winter emergency gear — and a 12V heated blanket for shoulder seasons. The full sleep system matters more than any single piece.
Questions, answered
Topper or full replacement?
Topper first — cheaper, easier, and usually enough. Replace the whole mattress if the base is sagging or over 5 years old.
What size fits a truck bunk?
Measure your bunk. Twin XL (38×80) is the closest common size for most sleepers.
Memory foam vs gel?
Gel-infused sleeps cooler. Standard memory foam is cheaper but traps heat — miserable in summer.
Deal alerts
Price drops, without the noise.
Real drops on the gear you actually want. No fake sales, no pressure tactics.
— Marcus
Disclosure: The Driver Gear is reader-supported. When you buy through links on this page, we may earn an affiliate commission at no extra cost to you. Scores reflect our editorial comparison methodology — how we test.