The perfect choice for committed back sleepers, the Sealy Optimum Linear Cushion Firm Mattress offers an inflexible sleeping surface. Masterfully crafted and utilising the latest technology, this mattress provides superior relief and support. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
The perfect choice for committed back sleepers, the Sealy Optimum Linear Cushion Firm Mattress offers an inflexible sleeping surface. Masterfully crafted and utilising the latest technology, this mattress provides superior relief and support. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
in 1 offers
The lowest price for Sealy Optimum Linear Cushion Firm Mattress - Super King right now is $3,899.00 at Harvey Norman.
The all-time low was $3,509.00 on 27 Dec 2025 — today's price is 11% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 14 May 2026.
Sealy Optimum Linear Cushion Firm Mattress - Super King
The perfect choice for committed back sleepers, the Sealy Optimum Linear Cushion Firm Mattress offers an inflexible sleeping surface. Masterfully crafted and utilising the latest technology, this mattress provides superior relief and support. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
The perfect choice for committed back sleepers, the Sealy Optimum Linear Cushion Firm Mattress offers an inflexible sleeping surface. Masterfully crafted and utilising the latest technology, this mattress provides superior relief and support. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
Last updated at 14/05/2026 21:34:52
Sealy Optimum Linear Cushion Firm Mattress - Super King
Delivery $299
originally posted on harveynorman.com.au
Bought this about 5 yrs ago, super comfy, no lumps or bumps. Moulds to yout body shape
originally posted on harveynorman.com.au
Love my new mattress, just what I needed for my bad back
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 - Super King
Delivery $299
Bought this about 5 yrs ago, super comfy, no lumps or bumps. Moulds to yout body shape
Love my new mattress, just what I needed for my bad back
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 |
