Quick Answer: The mattress cover is the only part that touches your skin. Knit polyester-blend covers dominate the market because they stretch over comfort layers without restricting conformance. For cooling, Tencel (lyocell) and organic cotton outperform polyester. For durability, polyester blends last 2-4 times longer than pure natural fibres.
8 min read
Why the Cover Matters More Than You Think
The mattress cover (also called ticking) serves multiple functions beyond aesthetics. It is the interface between your body and the comfort layers below, and it directly affects:
- Temperature: Breathable covers allow body heat to dissipate. Non-breathable covers trap heat against your skin, undermining even the best cooling technologies inside the mattress
- Moisture management: The cover determines how quickly sweat is wicked away from your body. A moisture-trapping cover creates a clammy microclimate
- Feel: The cover's stretch and texture determine the initial surface feel when you lie down. A rigid cover restricts the conformance of foam or latex layers beneath
- Durability: The cover is the first line of defence against wear, stains, and compression. A failing cover can degrade the mattress experience years before the internal materials wear out
Cover Material Types
Polyester and Polyester Blends
The most common mattress cover material in 2026. Polyester is used for its durability, stretch, and cost-effectiveness.
- Abrasion resistance: Exceeds 40,000 to 60,000 rubs before breakdown, outperforming natural fibres by 2 to 4 times
- Stretch: Knit polyester stretches in all directions, allowing foam and latex layers to conform to your body without restriction
- Moisture management: Poor to moderate. Polyester does not absorb moisture; it moves it across the surface
- Temperature: Does not breathe as well as natural fibres. Can trap heat against skin
- Environmental note: Synthetic microplastic shedding is a concern with polyester covers. Each wash cycle releases microscopic plastic fibres
Tencel (Lyocell)
A semi-synthetic fibre derived from wood pulp through a closed-loop manufacturing process. Tencel has become increasingly popular in premium mattress covers.
- Breathability: Excellent. Open fibre structure promotes airflow and moisture evaporation
- Moisture wicking: Absorbs 50 percent more moisture than cotton, then releases it into the air
- Temperature: Naturally cool to the touch. Maintains a cooler sleeping surface than polyester
- Softness: Comparable to silk in surface feel, with a smooth, non-irritating texture
- Sustainability: Biodegradable, lower microplastic shedding than polyester, wood pulp sourced from managed forests
- Durability: Moderate. Less abrasion-resistant than polyester but holds up well with a mattress protector
Organic Cotton
Traditional mattress covering material, now most common in organic and natural mattress lines.
- Breathability: Very good. Natural fibre with inherent airflow properties
- Moisture: Absorbs moisture well but releases it more slowly than Tencel. Can feel damp in high-humidity environments
- Temperature: Neutral to slightly warm. Not as cool as Tencel or silk
- Stretch: Limited in woven form. Knit cotton offers better stretch but less durability
- GOTS certification: Verifies organic growing and processing standards when present
Bamboo Viscose (Rayon)
Derived from bamboo pulp, bamboo viscose offers softness and moisture management but has significant durability limitations.
- Softness: Exceptionally soft hand feel, often compared to cashmere
- Moisture: Good moisture wicking, natural antimicrobial properties
- Durability: Lowest abrasion resistance among common mattress cover fibres. Prone to pilling, especially in knit constructions
- Care requirements: Requires cooler wash temperatures to prevent shrinkage
- Sustainability caveat: Despite bamboo being a sustainable crop, the chemical-intensive viscose conversion process raises environmental concerns
Silk
Used in luxury mattress covers, either pure or blended with other fibres.
- Temperature: Naturally cool. The smoothest, most temperature-neutral natural fibre
- Moisture: Excellent wicking without feeling damp
- Hypoallergenic: Naturally resistant to dust mites
- Durability: Moderate. Requires a mattress protector for longevity
- Cost: Premium. Adds $200+ to mattress pricing
Wool Cover Fabric
Wool in mattress covers serves dual purposes: comfort and fire resistance.
- Thermoregulation: Best temperature-regulating fibre. Warms when cold, cools when warm
- Moisture: Absorbs up to 30 percent of its weight without feeling wet
- Fire resistance: Natural flame barrier that can eliminate the need for chemical fire retardants
- Feel: Modern merino wool covers are soft and non-itchy, unlike coarser wool varieties
Cover Material Comparison
| Material | Breathability | Moisture Wicking | Durability | Cooling | Stretch | Typical Price Tier |
|---|---|---|---|---|---|---|
| Polyester knit | Fair | Fair | Excellent | Poor | Excellent | Budget to mid-range |
| Tencel (lyocell) | Excellent | Excellent | Good | Very good | Very good | Mid-range to premium |
| Organic cotton | Very good | Good | Good | Good | Fair (woven), Good (knit) | Mid-range to premium |
| Bamboo viscose | Good | Good | Poor | Good | Good | Mid-range |
| Silk | Very good | Very good | Moderate | Excellent | Fair | Luxury |
| Merino wool | Excellent | Excellent | Very good | Adaptive | Fair | Premium to luxury |
| Poly-Tencel blend | Good | Good | Very good | Good | Very good | Mid-range |
Knit vs Woven Construction
The fabric construction method matters as much as the fibre content.
Knit covers (the modern standard) interloop yarns to create a fabric that stretches in multiple directions. This stretch allows the foam and latex comfort layers below to conform to your body shape without restriction. Knit covers are standard on virtually all hybrid and foam mattresses sold in 2026.
Woven covers (traditional ticking) interlace yarns at right angles, creating a more rigid, structured fabric. Woven covers restrict foam conformance but provide a crisper feel and greater durability. They are common in traditional innerspring mattresses and some luxury constructions.
"A rigid woven cover on top of premium memory foam defeats the purpose. The foam wants to conform to your body, but the cover holds it back. That is why every quality hybrid mattress in 2026 uses a knit cover. It lets the comfort layers do their job."
, Brad, Owner, Mattress Miracle (since 1997)
Mattress Protectors: The Cover for Your Cover
A mattress protector sits between your sheets and the mattress cover. It is not optional. A quality protector extends mattress life, maintains warranty validity, and adds a performance layer.
What to Look For
- Waterproof membrane: A thin polyurethane or TPU membrane blocks liquids while allowing air to pass through. Essential for protecting the internal materials from sweat, spills, and accidents
- Breathable top fabric: Tencel, cotton, or poly-blend tops ensure the waterproof layer does not trap heat
- Depth pocket: Ensure the protector's depth matches your mattress height. A 12-inch protector on a 15-inch mattress will not stay in place
- Quiet construction: Cheap waterproof protectors crinkle with movement. Quality protectors use laminated membranes that are silent
Shop This Topic at Mattress Miracle
Popular picks at Mattress Miracle:
Or compare our mattresses in our Brantford showroom.
We carry mattresses with Tencel, cotton, and silk-blend covers so you can compare them side by side. At Mattress Miracle (441 1/2 West St, Brantford), we let you spend as much time as you need feeling the difference cover materials make. Call (519) 753-9109.
Restonic Cover Materials
| Model | Cover Material | Construction | Notable Feature | Price (Queen) |
|---|---|---|---|---|
| ComfortCare | Knit polyester blend | Stretch knit | Durable, breathable, stretch for conformance | $1,125 |
| Revive Reflections ET | Premium knit blend | Stretch knit | Flippable design with quality cover on both sides | $2,395 |
| Luxury Silk and Wool | Silk and wool blend | Quilted | Natural temperature regulation and moisture management | $2,395 |
| Revive Tiffany Rose | Premium knit blend | Stretch knit | Designed to complement copper latex cooling below | $2,995 |
| Revive St Charles | Premium knit blend | Stretch knit | Extra-depth cover for 15" profile | $3,150 |
Visit Our Brantford Showroom
We are located at 441½ West Street in downtown Brantford. Free parking available. Our team does not work on commission, so you get honest advice based on your needs.
Mattress Miracle, 441½ West Street, Brantford, ON · (519) 770-0001
Hours: Monday–Wednesday 10am–6pm, Thursday–Friday 10am–7pm, Saturday 10am–5pm, Sunday 12pm–4pm.
Shop: Compare Our Mattresses
Sources
- Jacobson, B. H. et al. (2008). "Grouped comparisons of sleep quality for new and personal bedding systems." Applied Ergonomics, 39(2), 247-254. PubMed 17662962.
- Radwan, A. et al. (2015). "Effect of different mattress designs on sleep quality, pain reduction, spinal alignment." Sleep Health, 1(4), 257-267. PubMed 29073401.
- Global Organic Textile Standard. (2024). GOTS Certification. global-standard.org