Last updated at 02/08/2026 13:50:18
Sealy Optimum Linear Firm Mattress - Double
Delivery $299
Sealy Optimum Linear Medium Mattress - Double
Delivery $299
Sealy Optimum Linear Soft Mattress - Double
Delivery $299
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 |
| Support Material | High Density Foam |
| Feel | Firm |
Sealy Optimum Linear Firm Mattress - Double
Delivery $299
Sealy Optimum Linear Medium Mattress - Double
Delivery $299
Sealy Optimum Linear Soft Mattress - Double
Delivery $299
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 |
| Support Material | High Density Foam |
| Feel | Firm |
The Sealy Optimum Linear Firm Mattress offers a supportive sleep environment, optimised for back sleepers. Ensuring a neutral spine alignment to relieve pressure and reduce the chance of back or neck strain so you can worry less and snooze longer. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
The Sealy Optimum Linear Firm Mattress offers a supportive sleep environment, optimised for back sleepers. Ensuring a neutral spine alignment to relieve pressure and reduce the chance of back or neck strain so you can worry less and snooze longer. 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 Firm Mattress - Double right now is $2,199.00 at Harvey Norman.
The all-time low was $1,869.00 on 16 Nov 2025 — today's price is 18% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 2 Aug 2026.
Sealy Optimum Linear Firm Mattress - Double
The Sealy Optimum Linear Firm Mattress offers a supportive sleep environment, optimised for back sleepers. Ensuring a neutral spine alignment to relieve pressure and reduce the chance of back or neck strain so you can worry less and snooze longer. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
The Sealy Optimum Linear Firm Mattress offers a supportive sleep environment, optimised for back sleepers. Ensuring a neutral spine alignment to relieve pressure and reduce the chance of back or neck strain so you can worry less and snooze longer. A combination of high-density foam and silky comfort layers deliver restful nights and energised mornings.
