If you're looking for a mattress topper for yourself or someone you care for, you've probably seen a long list of materials and not much guidance on which is actually best for your health. The short answer: for older Australians and anyone managing pressure, warmth or chemical sensitivity, natural materials, sheepskin in particular, tend to come out ahead. Here's why, and how each option compares.
In this article:
What "healthiest" actually means in a mattress topper
The word "healthy" covers a few different things when it comes to toppers. It's worth knowing which of these matters most to you before you choose.
Hypoallergenic and low-allergen
Some materials resist dust mites and mould naturally. Others need chemical treatments to achieve the same result, and those treatments can be a problem for people with sensitive skin or respiratory conditions.
Chemical-free and low off-gassing
Synthetic foams often contain polyurethane and chemical flame retardants. When new, they can release volatile organic compounds (VOCs) into the air, the "new foam" smell you may have noticed. For someone who spends long hours in bed, that's worth factoring in.
Temperature regulation and breathability
A topper that traps heat disrupts sleep and can cause sweating, which increases skin irritation and discomfort. Breathability matters especially for anyone who tends to run warm, or who is less mobile and can't easily reposition during the night.
Pressure relief
For people who spend a lot of time in bed, pressure distribution is a safety issue as much as a comfort one. A topper that cushions bony prominences (hips, heels, shoulders) reduces the risk of skin breakdown over time.
How the main materials compare
Here's a plain look at the five most common mattress topper materials across the criteria that matter most for health and comfort.
| Material | Hypoallergenic | Chemical-free | Temperature regulation | Pressure relief | Easy care |
|---|---|---|---|---|---|
| Sheepskin | Yes (natural lanolin) | Yes (untreated) | Excellent: warm in winter, cool in summer | Very good: conforms to body shape | Moderate: hand wash or specialist clean |
| Wool | Yes | Yes | Very good: moisture-wicking | Good: compresses over time | Moderate |
| Memory foam | Varies (treated versions exist) | No: polyurethane-based, off-gasses VOCs | Poor: traps heat | Very good: conforms closely | Easy: spot clean |
| Natural latex | Yes (but latex allergy exists) | Mostly yes (if GOLS certified) | Good: open-cell structure allows airflow | Very good: springy and supportive | Difficult: heavy and hard to move |
| Bamboo (fibre) | Yes | Varies: rayon/viscose processing uses chemicals | Good: breathable and moisture-wicking | Moderate | Easy: usually machine washable |
Why natural materials perform better for some people
Natural fibres like sheepskin and wool don't need chemical flame retardants. Wool resists ignition on its own. That matters if you or the person you're buying for has chemical sensitivities, asthma, or sensitive skin.
Sheepskin contains lanolin, a natural wax that gives it mild antibacterial properties and makes it resistant to dust mites without any added treatments. It also regulates temperature across seasons: the fibre structure traps warm air in winter and releases heat in summer, which is something synthetic materials can't match. For how sheepskin compares to standard wool, the key difference is that full sheepskin keeps the wool attached to the hide. This gives it more loft, longer resilience, and greater pressure distribution than a loose wool topper.
Where memory foam falls short
Memory foam has excellent pressure relief but comes with some drawbacks. It's petroleum-based, tends to retain heat, and new foam can off-gas for days or weeks. For someone spending 10 or more hours a day in bed, the heat retention alone is a real comfort problem. If you want to dig into sheepskin versus memory foam in detail, that post covers the practical differences side by side.
What about bamboo?
Bamboo is genuinely breathable and often hypoallergenic. The catch is that most bamboo fabric sold as a topper material is actually bamboo-derived rayon or viscose, which goes through a chemical production process. It's a comfortable option, but "bamboo" doesn't automatically mean chemical-free.
Which material wins for older adults and pressure care
For older Australians, and particularly for anyone spending a lot of time in bed, sheepskin comes out ahead on the things that matter most: natural breathability, pressure distribution, no chemical concerns, and lasting resilience.
It's not the cheapest option on the market, but it's the one that holds up across seasons, works without chemical treatment, and handles the pressure care demands that come with reduced mobility. Wool is a solid runner-up, though it compresses more over time. Natural latex is worth considering if pressure relief is the top priority and latex allergy isn't a concern.
Memory foam and bamboo rayon are better than nothing, but for someone with skin sensitivity, temperature regulation needs, or long hours in bed, they're not the first choice.
Our recommendation
The Sheepskin Bed Topper Overlay is what we'd point most people toward. It's medical-grade sheepskin, Australian sized, and built to meet the pressure care and comfort needs that matter for anyone spending extended time in bed. If you're not sure it's the right fit, give us a call and we'll help you work it out.