• Luxury Firm
  • On Sale

Why this Mattress?

  • Built for back sleepers who want lift without stiffness
  • Gel-infused memory foam keeps you from sleeping hot
  • 840 pocketed coils move with you, not against you
  • Breathable stretch-knit cover soft against skin
  • Foam layers certified free of harmful chemicals
Mancini's

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

Item No. BRK-HAR-12-3XM-LF
Delivery by Jul 15 to 94550
Price reduced from MSRP  $805.99 to Save 23% $619.99

Full 54″ x 75″
Price reduced from MSRP  $844.99 to Save 23% $649.99
Cal King 72″ x 84″
Price reduced from MSRP  $1,169.99 to Save 23% $899.99
Eastern King 76″ x 80″
Price reduced from MSRP  $1,169.99 to Save 23% $899.99
Twin 39″ x 75″
Price reduced from MSRP  $779.99 to Save 23% $599.99
Twin XL 39″ x 80″
Price reduced from MSRP  $805.99 to Save 23% $619.99
Queen 60″ x 80″
Price reduced from MSRP  $909.99 to Save 23% $699.99
Availability:
  • In Stock
Total $619.99
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Mancini's Sleepworld Harbor Hybrid Luxury Firm Mattress 10"

Price reduced from MSRP  $805.99 to Save 23% $619.99
Price reduced from MSRP  $805.99 to Save 23% $619.99

Why this Mattress?

  • Built for back sleepers who want lift without stiffness
  • Gel-infused memory foam keeps you from sleeping hot
  • 840 pocketed coils move with you, not against you
  • Breathable stretch-knit cover soft against skin
  • Foam layers 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 wakes up feeling like the bed worked against them all night. At 10 inches, it layers a responsive coil system with temperature-regulating foam in a profile that keeps the spine lifted without that punishing, slab-like feel some firm mattresses carry. It earns its place as one of the best luxury hybrid mattress options in the Twin XL category precisely because it does not ask you to trade cooling for support.

The feel here is medium-firm with a gentle foam embrace on top, so pressure releases at the lumbar without the mattress losing its backbone. Come see it at any Mancini's Sleepworld location and our sleep specialists will put it alongside every competing option so you can feel what the coil-and-foam combination actually does under your body weight.

COMFORT AND FEEL: Luxury firm with a soft foam surface and stable coil support underneath.

SIZE: This Twin XL sized mattress is 39 by 80 inches, well suited for taller single sleepers, college students, or a guest room where real support matters.

BEST SLEEP MATCH: Back sleepers and light-side sleepers will feel right at home here. The luxury firm feel keeps the lumbar in line while the gel memory foam layer takes the edge off hip and shoulder pressure.

BEST FOR: Ideal for sleepers who tend to overheat, need consistent lumbar support, or want a firm-leaning feel that does not sacrifice surface cushion.

CONSTRUCTION SPECIFICATIONS: An 8-inch pocketed coil system responds independently under each zone of your body. A 1.5-inch layer of HD gel-infused memory foam draws warmth away from the surface while easing pressure. A transition foam layer bridges the coils and comfort layers so you never feel the boundary. The breathable stretch-knit cover stays soft through the night. All foam is CertiPUR-US® certified.

SETUP AND COMPATIBILITY: Works with an adjustable base, platform frame, or box spring. Arrives flat with white-glove in-home setup available through Mancini's Sleepworld.

NOT A FIT FOR: Sleepers who prefer a deep plush or pillow-top feel. May also feel too firm for strict side sleepers who need significant hip cushioning.

YOUR SLEEP, BACKED BY US

Every mattress purchase at Mancini's Sleepworld comes with a 120-night comfort guarantee, free next-day delivery, in-home professional setup, and our Best Price Guarantee. Add a premium mattress protector at checkout and that guarantee extends to a full 365 nights, giving you an entire year to be certain. Flexible financing is available, and you can try this mattress in person at any of our showroom locations before you buy. That is the Rest Easy Promise.

  • 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-12-3XM-LF
  • MPN: HRBRSMTHY12_FP33XL
  • GTIN: 810191944607
  • Brand: Mancini's
  • Collection: Sleepworld
  • Type: Hybrid
  • Mattress In A Box: Yes
  • Firmness: Luxury Firm
  • Height: 10
  • Length: 80
  • Width: 39
  • Shipping Height: 12
  • Shipping Width: 80
  • Shipping Length: 38
  • Warranty: 10 Year
  • Cover Material: Polyester Knit
  • Quilting Layers: Smooth Top
  • Comfort Layers: 1.5'' - 2.5/10 Gel Infused Memory Foam, 1.5'' HD Transition Foam
  • Support System: 8'' 840 Pocketed coil, 1.5'' HD Gel infused Memory Foam, Over 1.5'' HD Transition Foam w/ 1'' Shock Absorbing H.D. Base Foam

Specification

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