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Test sleepers said they felt more secure near the edges—important for couples who use the full width of a king mattress. This mattress was built for real life. We combined moderate cushioning foams with a zoned support coil system because these two things consistently showed the best results in user testing.
| Mattress Coil Type | Pocketed Coil |
| Model Name | Coma4 |
| Item Firmness Description | Medium Firm |
| Size | King |
| Part Number | Com10 |
| Style | 14 Inch |
| Top Style | Pillow Top |
| Color | White |
| Sub Brand | Comfbox |
| Top Material | Breathable Knit Fabric |
| Model Number | Coma4 |
| Number Of Layers | 2.0 |
| Construction Type | Hybrid |
| Cover Material | Memory Foam, Foam |
| Unit Count | 1.0 |
| Package Dimensions LxWxH | 79.0x13.0x12.5 Inches |
| Weight | 114.0 Pounds |
Test sleepers said they felt more secure near the edges—important for couples who use the full width of a king mattress. This mattress was built for real life. We combined moderate cushioning foams with a zoned support coil system because these two things consistently showed the best results in user testing.
