Last updated at 14/06/2026 12:24:44
Sealy Optimum Linear Cushion Firm Mattress - King
Delivery $299
Sealy Optimum Linear Medium Mattress - King
Delivery $299
Sealy Optimum Linear Soft Mattress - King
Delivery $299
originally posted on harveynorman.com.au
Best mattress we have purchased, so comfortable and just moulds to your body shape, no partner disturbance as well, bonus! Would highly recommend this mattress especially if you have any medical issues as it certainly helped us get a great nights sleep.
originally posted on harveynorman.com.au
We bought this and feels completely different to the one in store. Like sleeping on board
| Exclusive to Harvey Norman | Yes |
| Made in | Australia |
| Mattress Cover | Cotton/Polyester Blend |
| Comfort Layers | Visco Elastic |
| Support Material | High Density Foam |
Sealy Optimum Linear Cushion Firm Mattress - King
Delivery $299
Sealy Optimum Linear Medium Mattress - King
Delivery $299
Sealy Optimum Linear Soft Mattress - King
Delivery $299
Best mattress we have purchased, so comfortable and just moulds to your body shape, no partner disturbance as well, bonus! Would highly recommend this mattress especially if you have any medical issues as it certainly helped us get a great nights sleep.
We bought this and feels completely different to the one in store. Like sleeping on board
| Exclusive to Harvey Norman | Yes |
| Made in | Australia |
| Mattress Cover | Cotton/Polyester Blend |
| Comfort Layers | Visco Elastic |
| Support Material | High Density Foam |
Meet the mattress favoured by Goldilocks. Striking the perfect balance of comfort and support so you can start every day refreshed and ready, the Sealy Optimum Linear Medium Mattress is the ideal choice for guest rooms and those without a fixed sleeping position. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
Meet the mattress favoured by Goldilocks. Striking the perfect balance of comfort and support so you can start every day refreshed and ready, the Sealy Optimum Linear Medium Mattress is the ideal choice for guest rooms and those without a fixed sleeping position. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
in 3 offers
The lowest price for Sealy Optimum Linear Medium Mattress - King right now is $3,299.00 at Harvey Norman.
The all-time low was $3,144.00 on 19 Nov 2025 — today's price is 5% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 14 June 2026.
Sealy Optimum Linear Medium Mattress - King
Meet the mattress favoured by Goldilocks. Striking the perfect balance of comfort and support so you can start every day refreshed and ready, the Sealy Optimum Linear Medium Mattress is the ideal choice for guest rooms and those without a fixed sleeping position. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
Meet the mattress favoured by Goldilocks. Striking the perfect balance of comfort and support so you can start every day refreshed and ready, the Sealy Optimum Linear Medium Mattress is the ideal choice for guest rooms and those without a fixed sleeping position. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
