Description The Sealy Advantage Range combines an alternating CoreSupport System with premium comfort layers to provide the body with support that stands the test of time. The Yarley mattress features: Premium wool fibre and cushioning quilt foam for soft breathable comfort. A gel centre third layer that conforms to the body for enhanced pressure relief. Twice tempered CoreSupport System, provides deep down support engineered to stand the test of time. UniKey reinforces the mattress, extends the sleep surface and provides a stable seating edge. Spacer gusset promotes air circulation and breathability to regulate temperature. Antimicrobial treatment HealthShield helps maintain a clean and fresh sleep surface. Australian made. 10 year guarantee.
Description The Sealy Advantage Range combines an alternating CoreSupport System with premium comfort layers to provide the body with support that stands the test of time. The Yarley mattress features: Premium wool fibre and cushioning quilt foam for soft breathable comfort. A gel centre third layer that conforms to the body for enhanced pressure relief. Twice tempered CoreSupport System, provides deep down support engineered to stand the test of time. UniKey reinforces the mattress, extends the sleep surface and provides a stable seating edge. Spacer gusset promotes air circulation and breathability to regulate temperature. Antimicrobial treatment HealthShield helps maintain a clean and fresh sleep surface. Australian made. 10 year guarantee.
in 4 offers
The lowest price for Sealy Yarley Mattress Single right now is $699.99 at Costco Wholesale Australia.
The all-time low was $699.99 on 21 Aug 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 4 Nov 2026.
Sealy Yarley Mattress Single
Description The Sealy Advantage Range combines an alternating CoreSupport System with premium comfort layers to provide the body with support that stands the test of time. The Yarley mattress features: Premium wool fibre and cushioning quilt foam for soft breathable comfort. A gel centre third layer that conforms to the body for enhanced pressure relief. Twice tempered CoreSupport System, provides deep down support engineered to stand the test of time. UniKey reinforces the mattress, extends the sleep surface and provides a stable seating edge. Spacer gusset promotes air circulation and breathability to regulate temperature. Antimicrobial treatment HealthShield helps maintain a clean and fresh sleep surface. Australian made. 10 year guarantee.
Description The Sealy Advantage Range combines an alternating CoreSupport System with premium comfort layers to provide the body with support that stands the test of time. The Yarley mattress features: Premium wool fibre and cushioning quilt foam for soft breathable comfort. A gel centre third layer that conforms to the body for enhanced pressure relief. Twice tempered CoreSupport System, provides deep down support engineered to stand the test of time. UniKey reinforces the mattress, extends the sleep surface and provides a stable seating edge. Spacer gusset promotes air circulation and breathability to regulate temperature. Antimicrobial treatment HealthShield helps maintain a clean and fresh sleep surface. Australian made. 10 year guarantee.
Last updated at 04/11/2026 19:07:03
Sealy Yarley Single Mattress
Free delivery between 5–16 Nov
| Firmness Level | Firm |
| Type | Mattress |
Sealy Yarley Single Mattress
Free delivery between 5–16 Nov
| Firmness Level | Firm |
| Type | Mattress |