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MADE IN WINNIPEG SINCE 1992

Sleepwell Core (Extra Firm)

Sleepwell Core (Extra Firm)

$875
$875
Sale Sold out
Delivery options and free store pickup are shown at checkout.
  • Foam softness feature iconHigh-Density Foam Core
  • Mattress thickness feature iconFlippable Two-Sided
  • Mattress firmness feature iconExtra-Firm

Best for: Back and stomach sleepers who want maximum firmness with virtually no sink.

Maximum firmness with virtually no sink sets Sleepwell Core apart. This Winnipeg-made, flippable foam mattress combines an ultra-dense support core with light quilting on both sides for an exceptionally stable surface—ideal for back and stomach sleepers and anyone who dislikes soft, body-hugging mattresses.

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Thickness

Firmness Rating: 10/10 — Extra Firm
Mattress Height: Available in 4”, 6”, 8”, or custom heights

For customers who want the highest possible level of foam support, the SLEEPWELL CORE EXTRA FIRM Mattress delivers an exceptionally solid sleeping surface. Its customizable construction works well in primary bedrooms, bunk beds, cottages, RVs, and custom bed frames where maximum firmness is required.

Its 10/10 extra-firm feel is intended for back and stomach sleepers and customers who want virtually no sink. The high-density foam core helps maintain a stable surface, while quilted foam on both sides adds a light touch of comfort.

  • Maximum Firmness: Provides an exceptionally solid and stable sleeping surface.
  • Virtually No Sink: Designed for customers who dislike soft or body-hugging mattresses.
  • High-Density Foam Core: Helps resist sagging, soft spots, and loss of shape.
  • Customizable Design: Available in 4”, 6”, 8”, and custom heights or sizes.
  • Fully Flippable: Both sides can be used for balanced wear and longer mattress life.
  • Comfort on Both Sides: Quilted foam adds light cushioning to the top and bottom.
  • Locally Manufactured: Handcrafted in Winnipeg by Sleepwell Bedding.
  • Full-Size Delivery: Delivered flat and never compressed or rolled.
  • Custom Orders: Call 204-786-2225 for pricing and availability.

The SLEEPWELL CORE EXTRA FIRM is built for customers seeking maximum stability, custom sizing, and an exceptionally firm two-sided mattress.

The SLEEPWELL CORE EXTRA FIRM combines an ultra-dense polyurethane foam core with comfortable quilting on both sides for firmness, durability, and lasting shape.

Layer Breakdown:

1. Breathable Fabric with Quilted Comfort Foam
The outer fabric is quilted with ½” of comfort foam on both sides, adding light surface cushioning without reducing the extra-firm feel. Fabric colour and pattern may vary.
Technical specification: 28 ILD. Density not provided.

2. High-Density Extra-Firm Polyurethane Foam Core
A high-density polyurethane foam core provides maximum firmness and structural stability. Core thickness varies according to the selected mattress height.
Technical specification: 2 lb/ft³ density, 90 ILD.

Quality & Safety Standards:

  • ASTM D3574-05 foam testing standards
  • CertiPUR-US® certified foam
  • CAL TB117-2013 flammability requirements
  • BioFlex sustainable foam with plant-based material
  • ISO 9001:2015 quality management standards

The SLEEPWELL CORE EXTRA FIRM includes a 5-year limited factory warranty covering qualifying foam-integrity and workmanship defects under normal use.

  • Flip and rotate every 3–6 months for balanced wear
  • Always use a breathable mattress protector
  • Place it on a firm, supportive foundation
  • Suitable for platform beds, slatted frames, or box spring bases
  • Confirm that custom or bunk-bed frames provide proper support
  • Spot clean only when needed
  • Do not fold or jump on the mattress

With proper care, the SLEEPWELL CORE EXTRA FIRM will provide maximum firmness, lasting stability, and dependable two-sided performance.

Read more: Warranty and Return Policy

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