12" Gel Memory Foam (Firm)

12" Memory Foam Mattress - Firm Support   Experience exceptional firm support with our 12" Firm Memory Foam Mattress. Engineered with Air Grid™ cooling technology and premium high-density foam layers, this firm-feel mattress delivers the robust support your body needs while maintaining optimal sleep temperature throughout the night.   Key Features Firm Support Level: Extra-supportive feel ideal for back sleepers, stomach sleepers, and those who prefer firmer surfaces Air Grid™ Cooling Technology: Advanced airflow channels regulate temperature for cooler sleep 12" Premium Construction: Multi-layer high-density foam system for optimal support and durability Reinforced Edge Support: High-density perimeter maximizes sleeping surface and prevents sagging Hypoallergenic Materials: Resistant to dust mites, allergens, and bacteria CertiPUR-US Certified Foams: Safe, durable, and environmentally responsible materials Superior Motion Isolation: Memory foam absorbs movement for undisturbed sleep Pressure Relief: Conforms to body contours while maintaining firm support   Why Choose Firm Support? A firm mattress provides superior spinal alignment, particularly for back and stomach sleepers. It prevents your hips from sinking too deeply, which can cause lower back pain, and offers the stable, supportive surface that heavier individuals often need. The firm feel also tends to last longer, maintaining its supportive properties for years. Despite the firm support core, our memory foam top layers still provide pressure relief where you need it most.   Air Grid™ Cooling Technology Our proprietary Air Grid™ system features strategically placed airflow channels throughout the foam layers that promote continuous air circulation, dissipate body heat efficiently, and maintain a temperature-neutral sleep surface. Unlike traditional memory foam that can trap heat, Air Grid™ technology keeps you cool and comfortable all night long.   Specifications Total Height: 12 inches Firmness Level: Firm (7.5-8.5 out of 10) Cooling System: Air Grid™ technology Support Core: High-density firm foam base Cover: Breathable, moisture-wicking fabric Compatibility: Platform beds, box springs, slatted frames, adjustable bases Certification: CertiPUR-US certified foams Warranty: Manufacturer's warranty included   Frequently Asked Questions   Q: Who should choose a firm mattress? A: Firm mattresses are ideal for back sleepers needing lumbar support, stomach sleepers requiring hip support to prevent lower back strain, heavier individuals (over 230 lbs) needing extra support, and those with chronic back pain. If you prefer sleeping "on" the mattress rather than "in" it, firm is your best choice.   Q: How does Air Grid™ cooling technology work? A: Air Grid™ features strategically placed airflow channels throughout the foam layers that promote continuous air circulation and dissipate body heat. Unlike traditional memory foam that traps heat, this system maintains a temperature-neutral sleep surface, making it ideal for hot sleepers.   Q: Will a firm mattress feel too hard? A: Not with our layered construction. While the support core provides firm stability for proper spinal alignment, the top memory foam layers offer contouring comfort and pressure relief. Most customers report sleeping better after 3-5 nights of adjustment. Firm doesn't mean hard—it means properly supportive.   Looking for the complete sleep system? Pair this mattress with our 400 Series Adjustable Massaging Base or explore our full collection of Adjustable Bases.