REM-Fit Rest Collection 400 Series Hybrid Cooling Gel Top Memory Foam Pillow Personalized Softness/Firmness - Adjustable Support Cluster Core Cooling Gel Top, Breathable Knit Surface, Active Moisture and Heat Transfer Hypoallergenic, Bacteria Inhibiting, Allergen & Dust Mite Barrier Contoured, Flexible 4-way stretch material 5-Year Warranty