Nectar Ultra Hybrid 15" Medium Soft Mattress Ultimate Pressure Relief. Advanced Cooling. Luxurious Hybrid Comfort. Experience Nectar's most advanced level of hybrid comfort with the 15" Nectar Ultra Hybrid. Designed for sleepers who love a softer, more deeply contouring feel, the Ultra surrounds your body with generous layers of pressure-relieving memory foam while responsive coils and zoned support help keep you comfortably supported. Advanced cooling fibers and temperature-regulating phase-change material help manage heat close to the body, while individually wrapped coils increase airflow throughout the mattress. The result is a luxurious Medium Soft feel that combines deep cushioning with the responsive support of a premium hybrid. Why You'll Love It Advanced Cooling TechnologyCooling fibers at the surface work together with temperature-regulating phase-change material beneath you to help absorb and disperse excess heat. Deep Pressure Relief4" of contouring memory foam provides generous cushioning around your shoulders, back and hips for Nectar's most pressure-relieving hybrid comfort. 3-Zone Ergonomic SupportA specially designed support layer uses three ergonomic zones to provide targeted support where your body needs it most. Responsive Hybrid SupportIndividually wrapped coils adapt independently to your movements while providing the responsive support and airflow of a premium hybrid mattress. Excellent Motion IsolationIndividually wrapped coils and substantial comfort layers help reduce motion transfer across the mattress—especially helpful when sharing your bed. Reinforced Edge SupportStronger perimeter coils create a stable edge and help you comfortably use more of the mattress surface. Inside the Nectar Ultra Hybrid Cooling Top CoverSoft, breathable fabric with cooling fibers creates a cool-to-the-touch sleep surface. 4" Pressure-Relieving Memory Foam + Phase-Change MaterialGenerous memory foam contours around the body for deep pressure relief, while temperature-regulating phase-change material helps absorb and disperse heat. 3" Zoned Responsive Support FoamThree ergonomic support zones provide targeted support around the shoulders, back and hips while helping promote comfortable alignment. 8" Individually Wrapped Coil SystemResponsive coils provide adaptive support, airflow, motion isolation and reinforced perimeter stability. 1" Foundation FoamCreates a durable, stable foundation for the comfort and support system above. Shift-Resistant Bottom CoverHelps keep the mattress and its internal components securely positioned. Comfort Feel MEDIUM SOFT Soft ◯ ● ◯ ◯ ◯ Firm Deep, luxurious cushioning with responsive support underneath. Great For ✓ Side Sleepers✓ Back & Combination Sleepers Who Prefer a Softer Feel✓ Couples✓ Sleepers Seeking Maximum Pressure Relief✓ Hot Sleepers✓ Anyone Who Loves Deep, Contouring Comfort✓ Shoppers Looking for Nectar's Most Luxurious Hybrid Experience Nectar's Ultimate Hybrid Comfort The Ultra Hybrid takes Nectar's pressure-relieving comfort to another level. Four inches of contouring memory foam create a noticeably deeper cradle around your body, while phase-change material and enhanced cooling fibers help regulate temperature close to the sleep surface. Underneath, three ergonomic support zones and individually wrapped coils provide targeted, responsive support—giving you luxurious cushioning without sacrificing the benefits of a hybrid mattress.