JERFIT 11 Inch King Size Hybrid Mattress in a Box, Medium Firm Gel Memory Foam with Pocket Springs, Breathable Dark Gray Bed Mattress for Support Pressure Relief

JERFIT **Cooling Gel Memory Foam**: 2 inches of ventilated, gel-infused memory foam absorbs and dissipates body heat, ensuring a cooler sleep surface throughout the night. **Individually Wrapped Pocket Springs**: A supportive core of 756 individually encased coils reduces motion transfer and provides targeted support to different areas of your body. **Optimal Medium Firm Feel**: Achieve the perfect balance of plush comfort and firm support, ideal for back, stomach, and side sleepers. **CertiPUR-US Certified**: All foams are independently certified for performance, content, and durability, and are made without harmful ozone depleters or heavy metals. **Breathable Stretch Knit Cover**: The dark gray fabric cover is made from a blend of polyester and spandex, promoting superior airflow and flexibility. **Easy Mattress in a Box Delivery**: The mattress is efficiently compressed and shipped in a box, making it simple to transport and set up in your desired room. **Quick Expansion Process**: After unboxing, the mattress fully regains its shape and size within 24 to 48 hours, ready for use. **Compatible with Adjustable Bases**: Designed for versatility, this mattress works perfectly with adjustable bed frames for customized sleeping and lounging positions. **Durable 4-Layer Construction**: Built to last with a layered design including gel foam, comfort foam, pocketed coils, and a high-density base foam for lasting support.