Sealy Premier Hybrid Cobalt Firm Mattress + Reflexion R4 Adjustable Base (Twin XL Set) Gel Memory Foam Layers on Top, Supportive individually encased innerspring coils on the bottom Reflexion 4 Adjustable Power Base features head and foot articulation with wireless remote and dual wave massage Wall Hugging Adjustable Base Keeps you next to your nightstand and protects your wall 3 Pre-Programmed positions for relaxation. Zero Gravity, Lounge, and Incline as well as a one touch flat button. 13" Hybrid Mattress - Made in the USA. 10 year limited warranty