• Luxury Firm
  • On Sale

Why this Mattress?

  • Gel memory foam keeps you cooler through the night
  • Pocketed coils reduce motion and hold the spine in line
  • Luxury firm feel without sacrificing shoulder and hip relief
  • Breathable stretch-knit cover softens the surface immediately
  • Foam layers tested and certified free of harmful chemicals
Mancini's

Mancini's Sleepworld Harbor Hybrid Luxury Firm Mattress 10"-Twin XL

Item No. BRK-HAR-10-3XM-LF
Delivery by Jul 15 to 94550
Price reduced from MSRP  $545.99 to Save 23% $419.99

Twin 39″ x 75″
Price reduced from MSRP  $519.99 to Save 23% $399.99
Twin XL 39″ x 80″
Price reduced from MSRP  $545.99 to Save 23% $419.99
Full 54″ x 75″
Price reduced from MSRP  $596.70 to Save 23% $459.99
Cal King 72″ x 84″
Price reduced from MSRP  $909.99 to Save 23% $699.99
Eastern King 76″ x 80″
Price reduced from MSRP  $909.99 to Save 23% $699.99
Queen 60″ x 80″
Price reduced from MSRP  $649.99 to Save 23% $499.99
Availability:
  • In Stock
Total $419.99
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Mancini's Sleepworld Harbor Hybrid Luxury Firm Mattress 10"

Price reduced from MSRP  $545.99 to Save 23% $419.99
Price reduced from MSRP  $545.99 to Save 23% $419.99

Why this Mattress?

  • Gel memory foam keeps you cooler through the night
  • Pocketed coils reduce motion and hold the spine in line
  • Luxury firm feel without sacrificing shoulder and hip relief
  • Breathable stretch-knit cover softens the surface immediately
  • Foam layers tested and certified free of harmful chemicals

Overview

Mancini's Sleepworld Harbor Hybrid Luxury Firm Mattress 10" · Twin XL

The Mancini's Sleepworld Harbor Hybrid Luxury Firm Mattress 10" is a hybrid mattress built for the back sleeper who runs warm and wants firm support without waking up stiff. Its luxury firm feel sits at that precise point where the spine stays neutral and pressure still gets relieved at key contact points. At 10 inches, this is a focused, no-excess build that does its job cleanly. If you have been sleeping hot on a memory foam mattress and missing the lift that a coil system gives you, this is the mattress worth putting on your list to try in person. Stop by any Mancini's Sleepworld location and a sleep specialist will put this right next to every competing option so you can feel the difference for yourself.

COMFORT AND FEEL: Luxury firm with gentle gel-foam contour and a coil-driven responsive lift.

SIZE: This Twin XL sized mattress is a smart fit for taller solo sleepers, college dorm rooms, and adjustable base setups.

BEST SLEEP MATCH: Best for back sleepers and light-side sleepers who want a firm mattress for back pain relief. The coil-and-foam combination keeps the lumbar supported while the gel foam softens pressure at the hips.

BEST FOR: Ideal for sleepers who run warm at night, need consistent lumbar support, or have been waking up with mid and lower back tension.

CONSTRUCTION SPECIFICATIONS: The gel-infused memory foam comfort layer pulls heat away from the body as you settle in. Beneath it, an HD transition foam layer eases the shift between soft and firm without any harsh pressure change. The pocketed coil support system responds independently to movement, so the spine stays aligned even when you shift positions. CertiPUR-US® certified foams throughout.

SETUP AND COMPATIBILITY: Compatible with adjustable bases, platform frames, and box springs. Arrives rolled and compressed, expands within hours, no tools needed.

NOT A FIT FOR: Sleepers who prefer a plush or medium feel may find this too firm. Not ideal for strict side sleepers who need deep contouring at the shoulder.

YOUR SLEEP, BACKED BY US

Every mattress purchase at Mancini's Sleepworld comes with a 120-night comfort guarantee as part of the Rest Easy Promise, plus the Best Price Guarantee and free next-day delivery with in-home professional setup. Add a premium mattress protector at time of purchase and you can extend your comfort guarantee to a full 365 nights. Flexible financing is available, and you are always welcome to try before you buy at any Mancini's Sleepworld showroom.

  • SleepMatch: blue
Blue color code are mattresses of medium firm support. Most back sleepers and some side sleepers will find the beds measured as blue are best for them. Find Your Match
Couple relaxing on a mattress

Rest Easy Promise

Our promise to you.

  • 365-Night Comfort Guarantee with purchase of a premium mattress protector
  • Best Price Guarantee Find it lower and we’ll match it.
  • Free Next-Day Delivery We’ll deliver to your door, set-up available.
  • Double-Your-Warranty We match the manufacturer’s warranty.

Features

  • SKU: BRK-HAR-10-3XM-LF
  • MPN: HRBRSMTHY10_FP33XL
  • GTIN: 810191944485
  • Brand: Mancini's
  • Collection: Sleepworld
  • Type: Hybrid
  • Mattress In A Box: Yes
  • Firmness: Luxury Firm
  • Height: 10
  • Length: 80
  • Width: 39
  • Shipping Height: 10
  • Shipping Width: 80
  • Shipping Length: 38
  • Warranty: 10 Year
  • Cover Material: Polyester Knit
  • Quilting Layers: Smooth Top
  • Comfort Layers: 1.0'' - 2.0 / 10 Gel Infused Memory Foam
  • Support System: 8'' 840 Pocketed coil, 1'' HD Gel infused Memory Foam w/ 1'' Shock Absorbing H.D. Base Foam

Specification

  • Suitable For Adjustable Base: Yes
  • Motion Separation: Yes
  • Hand Crafted: Yes