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Medium-Firm Mattresses
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Choose mattresses made with organic latex, cotton, and wool for naturally breathable comfort and fewer synthetic additives. Explore all‑latex and hybrid (pocket‑coil + organic comfort layers) builds, low‑VOC adhesives, and third‑party certifications—available in Twin, Twin XL, Full/Double, Queen, and King.
Discover medium‑firm mattresses that balance pressure relief and sturdy support—ideal for back, stomach, and combination sleepers.
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EVERGREEN™ 12" Tight-Top Medium-Firm Organic Latex Mattress
Medium
– 1000 Hi-Loft Pocket Coil with Foam Encased Perimeter
– Organic Latex Comfort Layer
– Bio-Foam natural foam content support layers
– Organic Cotton Quilt with Organic Latex and Organic Wool
– 10 Year Warranty
– Made In Toronto, Canada
BEAUTYREST® Quintessence™ 14.5" Medium Firm Tight Top Mattress
Medium
– Beautyrest® T3 Pocketed Coil Technology
– Beautyrest® Gel Memory Foam
– WinterCool™ Carbon Foam and GelTouch® Foam
– WinterCool™ Tri-Fiber with alpaca, cashmere, and silk.
– WinterCool™ Sleep System with 4 distinct cooling technologies.
– WinterCool™ Carbon Foam and GelTouch® Foam
– Beautyrest® T3 Pocketed Coil Technology
– Beautyrest® Gel Memory Foam
– WinterCool™ Carbon Foam and GelTouch® Foam
– WinterCool™ Tri-Fiber with alpaca, cashmere, and silk.
– WinterCool™ Sleep System with 4 distinct cooling technologies.
– WinterCool™ Carbon Foam and GelTouch® Foam
BEAUTYREST® Quintessence™ 18" Medium Firm Super Pillow Top Mattress
Medium
– Beautyrest® T3 Pocketed Coil Technology
– Beautyrest® Gel Memory Foam
– WinterCool™ Carbon Foam and GelTouch® Foam
– WinterCool™ Tri-Fiber with alpaca, cashmere, and silk.
– WinterCool™ Sleep System with 4 distinct cooling technologies.
– WinterCool™ Carbon Foam and GelTouch® Foam
– Beautyrest® T3 Pocketed Coil Technology
– Beautyrest® Gel Memory Foam
– WinterCool™ Carbon Foam and GelTouch® Foam
– WinterCool™ Tri-Fiber with alpaca, cashmere, and silk.
– WinterCool™ Sleep System with 4 distinct cooling technologies.
– WinterCool™ Carbon Foam and GelTouch® Foam
EVERGREEN 100% Certified Organic 10" Medium Firm Latex Mattress
Medium
– 100% Certified Natural Organic Latex
– Global Organic Latex Standard – Certified 100% Natural
– Eco-Institute – No Fillers or Hazardous Particles
– Oeko-Tex Standard 100 – No Harmful Substances
– ABC Research Laboratories – Certified Antimicrobial
BEAUTYREST® Centennial® 15.5" Pillow Top Medium-Firm Mattress
Medium
– 1850 T3 Triple Stranded Pocketed Coil® and Micro Coil Technology
– SurfaceTouch™ Gel Memory Foam
– Self-Response™ Latex
– Beautyrest® Gel Memory Foam
– Beautyrest® Gel Support Foam
– Sleep Climate™ Surface enhanced with cooling yarn
STEARNS & FOSTER® Lux Estate® 16" Medium Firm Euro Top Mattress
Medium
– Indulge Quilt With Silk & Wool Fibres
– Cooling Fibres With Tencel™
– PrecisionMatch™ Memory Foam
– Supportive Latex Comfort Layer
– PrimaSense™ Gel Infused Comfort Layers
– Intellicoil® Innerspring (Pocket Coil) With Intellicoil® Micro HD
– Handmade By Certified Master Craftsman
– Indulge Quilt With Silk & Wool Fibres
– Cooling Fibres With Tencel™
– PrecisionMatch™ Memory Foam
– Supportive Latex Comfort Layer
– PrimaSense™ Gel Infused Comfort Layers
– Intellicoil® Innerspring (Pocket Coil) With Intellicoil® Micro HD
– Handmade By Certified Master Craftsman
BEAUTYREST® Centennial® 14.5" Tight Top Medium-Firm Mattress
Medium
– 2850 T3 Triple Stranded Pocketed Coil® and Micro Coil Technology
– SurfaceTouch™ Gel Memory Foam
– Self-Response™ Latex
– Micro Diamond™ Memory Foam
– Beautyrest® Gel Comfort Foam
– Sleep Climate™ Surface enhanced with cooling yarn
BEAUTYREST® Centennial® 16.5" Super Pillow Top Medium-Firm Mattress
Medium
– 2850 T3 Triple Stranded Pocketed Coil® and Micro Coil Technology
– SurfaceTouch™ Gel Memory Foam
– Self-Response™ Latex
– Micro Diamond™ Memory Foam
– Beautyrest® Gel Memory Foam
– Sleep Climate™ Surface enhanced with cooling yarn
EVERGREEN™ 12" Tight-Top Medium-Firm Organic Latex Mattress - Twin XL
Medium
– 1000 Hi-Loft Pocket Coil with Foam Encased Perimeter
– Organic Latex Comfort Layer
– Bio-Foam natural foam content support layers
– Organic Cotton Quilt with Organic Latex and Organic Wool
– 10 Year Warranty
– Made In Toronto, Canada
Need Help Deciding?
Try Our Mattress Selector
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Mattresses with organic materials prioritize natural components and lower‑emission construction for a cleaner, more breathable sleep surface. Typical builds feature GOLS‑certified organic latex for buoyant support, GOTS‑certified organic cotton covers, and GOTS‑certified wool for moisture and temperature balance—paired with pocket coils or all‑latex cores.
What to look for
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Certified textiles & foams: Seek GOTS (organic cotton/wool) and GOLS (organic latex) on applicable layers; supporting standards like OEKO‑TEX® or GREENGUARD Gold may cover additional safety criteria.
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Construction choices:
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All‑latex (organic latex throughout) → responsive, durable, and highly breathable.
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Latex‑hybrid (pocket coils + organic comfort layers) → airflow, edge support, and balanced feel.
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Low‑VOC assembly: Water‑based adhesives and minimal chemical additives where possible.
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Natural performance: Wool can act as a natural flame barrier; latex and cotton enhance airflow and moisture management.
Who it’s for
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Eco‑conscious shoppers seeking verified organic content.
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Sensitive sleepers who prefer fewer synthetic additives and lower emissions.
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Hot sleepers who want breathable, moisture‑balancing materials.
How to choose (quick tips)
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Verify scope & percentages: Certifications can apply to the entire mattress or specific components—check labels and content claims.
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Pick your feel: All‑latex tends to be buoyant; hybrids add coil lift and edge stability.
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Firmness by position: Side = medium/medium‑plush; Back = medium; Stomach = medium‑firm to firm.
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Base compatibility: Works well on slatted platforms (observe manufacturer spacing) or adjustable bases.
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Material sensitivities: If you have a latex allergy, consult your clinician and the manufacturer before purchasing.
What you’ll find here
A curated range of all‑latex and latex‑hybrid mattresses using organic latex, cotton, and wool, plus options with low‑VOC glues and fabric certifications. Sizes include Twin, Twin XL, Full/Double, Queen, King, and California King; many models offer zoned support, motion isolation, and reinforced edges.
Note: “Organic” refers to certified materials used; not every model is certified as a complete finished product. Review each product’s documentation for details.
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