- How firm is the Black Series One in Medium?
- It is a true medium: soft enough for side sleepers to sink in slightly at the shoulder and hip, firm enough for most back sleepers. Stomach sleepers and heavier sleepers often want something firmer.
- Does it work on an adjustable base?
- Yes. The pocket coil and foam construction bends, and the Twin XL size is built for adjustable frames. Check your base's weight limit, since the set is heavy.
- How does it compare with higher Black Series models?
- Higher tiers add more cooling layers, denser support foam and stronger edge support. The Series One keeps the coil-and-memory-foam core but skips those upgrades.
- Will it sleep hot?
- The cover is designed to regulate temperature, but the memory foam layer still traps some heat. Hot sleepers report mixed results, so pair it with breathable bedding.
- Does the set include a foundation?
- The set is the mattress itself; a box spring or adjustable base is sold separately. Beautyrest recommends a firm, flat foundation to keep the warranty valid.
- How long does it take to expand after unboxing?
- Most owners see full expansion within 24 to 48 hours. Sleep on it after that, and expect the foam to soften slightly over the first few weeks.
- Where is the Beautyrest Black Series One 14.25" Medium Set cheapest?
- At JCPenney, for $1,649.00, as of our latest check.
- Where can I buy the Beautyrest Black Series One 14.25" Medium Set?
- 5 stores we checked sell it, including The Home Depot, Mattress Firm, JCPenney, Beautyrest, Raymour & Flanigan.