Sleepwell Bedding
Lancaster (Medium Firm)
Lancaster (Medium Firm)
Innerspring
10"
Medium Firm
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Firmness Rating: 6/10 — Medium Firm
Mattress Height: Approx. 10”
The LANCASTER Mattress is designed for customers who want deeper cushioning without giving up dependable support. Its substantial pillow top makes it an inviting choice for primary bedrooms, everyday home use, and guest rooms where upgraded comfort is desired.
Its 6/10 medium feel is best suited to side, back, and combination sleepers who enjoy a cushioned surface with balanced support underneath. The pillow top comforts pressure-sensitive areas, while the upgraded continuous coil core supports the body throughout the night.
- Deeper Pillow-Top Comfort: Provides an inviting and comfortably cushioned sleep surface.
- Balanced Medium Feel: Combines surface comfort with steady underlying support.
- Upgraded Coil Support: The higher-count coil system provides consistent full-body support.
- Comfortable Pressure Relief: Cushioned layers comfort the shoulders, hips, and back.
- Reinforced Edges: Dual edge guards strengthen the sides and help reduce sagging.
- Strong Perimeter: A steel border rod helps maintain the mattress’s shape.
- Locally Manufactured: Handcrafted in Winnipeg by Sleepwell Bedding.
- Full-Size Delivery: Delivered flat and never compressed, rolled, or boxed.
The LANCASTER is an excellent choice for customers seeking deeper cushioning, balanced support, and upgraded everyday comfort.
The LANCASTER combines resilient pillow-top layers with an upgraded continuous coil system for cushioning, stability, and dependable performance.
Layer Breakdown:
1. Soft-Touch Fabric Cover
A soft, breathable fabric cover creates a smooth and comfortable sleep surface.
2. Quilted Comfort Foam
A 1” quilted foam layer adds surface cushioning and a cozy finishing touch.
Technical specification: 28 ILD.
3. Resilient Pillow-Top Foam
A 1.5” pillow-top foam layer provides deep, durable cushioning.
Technical specification: 1.50 lb/ft³ density, 41 ILD.
4. Firm Internal Support Foam
A ¾” support foam layer adds stability beneath the pillow top.
Technical specification: 1.50 lb/ft³ density, 41 ILD.
5. Protective Fibre Pads
Durable fibre pads on both sides help protect the comfort layers and coil construction.
6. Continuous Coil Support System
The upgraded continuous coil system provides consistent, full-body support across the mattress.
Coil Count by Size:
- Twin: Approximately 475 coils
- Twin XL: Approximately 507 coils
- Double / Full: Approximately 675 coils
- Queen: Approximately 800 coils
- King: Approximately 1,013 coils
7. Steel Border Rod
A full-perimeter 4.8 mm steel border rod helps maintain the mattress’s shape and structure.
8. Reinforced Edge Guards
Dual edge guards strengthen the perimeter, help reduce sagging, and provide more usable sleep space.
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 LANCASTER includes a 5-year limited factory warranty covering manufacturing defects under normal residential use.
- Rotate head-to-foot every 2–3 months
- Use a quality mattress protector
- Place on a firm, supportive foundation
- Suitable for platform, slatted, or box spring bases
- Spot clean only when needed
- Do not bend, fold, or jump on the mattress
With proper care, the LANCASTER will provide cushioned comfort, balanced support, and dependable everyday performance.
Read more: Warranty and Return Policy
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It’s firm. That’s what it says in the description. It is what it is.


