10 Best Bunk Bed Mattresses 2026 in the United States

The ZINUS 6 Inch Full Cooling Essential Memory Foam Mattress is designed with a 6-inch thickness and a full size (75" x 54"), making it a good fit for full-sized bunk beds where space and moderate thickness are important. Its medium firmness and three-layer memory foam structure provide pressure relief and contouring comfort, ideal for those seeking support that is neither too hard nor too soft. The mattress features breathable Airflow memory foam and a soft cover that promote airflow to keep you cool throughout the night, which is beneficial in the often warm, tight spaces of bunk beds.

The ZINUS 6 Inch Green Tea Memory Foam Mattress is tailored for compact spaces, making it a solid option for bunk beds, trundle beds, and RVs. At 75”x30” with a thickness of 6 inches, it fits snugly in smaller frames, appealing to those who need space-efficient sleeping solutions. Its medium firmness provides a balance of support and comfort, thanks to its memory foam construction that conforms to the body's shape while helping to relieve pressure points. This feature is particularly beneficial for those who experience discomfort during sleep.

The ZINUS 6 Inch Green Tea Memory Foam Mattress is a solid choice for bunk beds, particularly for those seeking comfort and safety. Its medium firmness and zoned pressure relief technology offer good support, making it suitable for individuals who may experience aches and pains during sleep. The 6-inch thickness is ideal for bunk beds, ensuring that it fits well without making the upper bunk feel too high. Additionally, the memory foam conforms nicely to the body, enhancing comfort and promoting better circulation.