Sleepworld Express 11″ Innerspring Extra Firm Mattress

Sleepworld Express 11″ Innerspring Extra Firm Mattress, Queen

The Sleepworld Express 11″ Innerspring Extra Firm Mattress is an extra firm mattress built for back sleepers, stomach sleepers, and anyone who has given up on softer beds that stopped supporting them after a year. If you’ve been waking up with lower back tension or feeling like your mattress has gradually swallowed you, this is the reset. It delivers a flat, stable, unyielding surface that keeps your lumbar in line from the moment you lie down. The foam layers are dense by design, not as an afterthought, and the coil system is built to the same uncompromising standard. Stop by any Mancini’s Sleepworld location and a sleep specialist will put this next to every competing option so you can feel the difference.

COMFORT AND FEEL: Extra firm with minimal give and steady push-back support throughout.

SIZE: This queen sized mattress is a generous 60 by 80 inches, ideal for couples or solo sleepers who want room to stretch out without crowding a master bedroom.

BEST SLEEP MATCH: Best for back and stomach sleepers who need an extra firm mattress for back pain relief. The flat, unyielding surface keeps the hips from sinking and the lumbar from rounding overnight.

BEST FOR: Ideal for sleepers who want zero sinkage, need firm lumbar support to wake up pain-free, or have found that softer mattresses wear out too quickly.

CONSTRUCTION SPECIFICATIONS: The heavyweight 4-way stretch knit cover flexes naturally as you shift positions. Firm support foam layers sit directly beneath the cover, giving the surface a dense, grounded feel. The fabric-wrapped coil system uses super heavy-gauge wire for steady, unyielding lift. Super high-density upholstery-grade foam layers anchor the base and protect long-term shape. Foams are CertiPUR-US certified.

SETUP AND COMPATIBILITY: Ships compressed and rolled in a box, arrives at your door ready to expand within hours, no tools required. Compatible with adjustable bases, platform frames, and box springs.

NOT A FIT FOR: Not ideal for side sleepers who need hip and shoulder pressure relief, or for anyone who prefers a plush or contouring feel underfoot.

YOUR SLEEP, BACKED BY US

At Mancini’s Sleepworld, every mattress purchase comes with a 120-night comfort guarantee, our Rest Easy Promise, and our Best Price Guarantee. Want a full year to be certain? Add a premium mattress protector at checkout to extend your guarantee to 365 nights. That’s your choice to make. We also offer free next-day delivery, in-home professional setup, and flexible financing. Come try this one in any of our showrooms before you buy.