King Size iSeries NXG 3500 Medium Mattress

The Serta iSeries NXG 3500 Medium All-Foam Mattress takes everything customers love about the hybrid version — cool comfort, advanced pressure relief, and premium luxury — and reimagines it in a coil-free, all-foam construction.Designed for sleepers who prefer the conforming support of foam without springs, the NXG 3500 Medium All-Foam provides consistent comfort from edge to edge, a balanced medium feel, and all-night temperature regulation.

Key Features

• All-Foam Construction
  Built without coils, this design layers premium performance foams for contouring comfort and body-hugging support.

• Cool-to-the-Touch Cover
  A breathable, cooling cover helps regulate temperature and keep you sleeping comfortably through Houston’s warm nights.

• Advanced Pressure Relief
  Multiple foam layers adapt to your shape, easing pressure points on shoulders, hips, and back for restorative sleep.

• Reinforced Edge Support
  Even though it’s foam, you’ll still enjoy stable edges for sitting, sleeping, and getting in and out of bed with confidence.

• Medium Feel
  Perfectly balanced between plush and firm, offering universal comfort for couples and all sleeping positions.

• Durable Performance Foams
  Engineered to deliver long-lasting support without sagging, backed by Serta’s trusted reputation in mattress innovation.

Why Choose the NXG 3500 Medium All-Foam?

If you love the cooling comfort and pressure-relief benefits of the NXG 3500 Hybrid but prefer the quiet, consistent feel of an all-foam design, this mattress gives you the best of both worlds. With no coils, you’ll experience uninterrupted motion isolation and a seamless surface — making it an ideal choice for couples or anyone sensitive to movement at night.