Last updated at 06/11/2026 21:55:30
Sealy Posturepedic Acclaim Alpine Mattress, Firm, King Single Size | Forty Winks
Delivery $90
| Firmness Level | Medium, Firm, Ultra-firm |
| Mattress Type | Hybrid |
| Type | Mattress |
| Length | 2030 mm |
| Width | 2030 mm |
Sealy Posturepedic Acclaim Alpine Mattress, Firm, King Single Size | Forty Winks
Delivery $90
| Firmness Level | Medium, Firm, Ultra-firm |
| Mattress Type | Hybrid |
| Type | Mattress |
| Length | 2030 mm |
| Width | 2030 mm |
Sealy Posturepedic Acclaim Alpine Mattress King Single
Utilising unique support technology, the ACCLAIM ALPINE ULTRA FIRM KING SINGLE MATTRESS ensures you’ll experience better support and comfort. The Align Support coil system has been designed to support your body’s natural alignment so you can enjoy a deep sleep, while the Comfort Core layer with Sense Material provides added pressure relief. Sweaty nights will become a thing of the past thanks to the Smar Tex fabric which helps to maintain a comfortable sleep climate. For additional stability of the mattress surface, the walls have been reinforced with Flexi Cased Edge Support. EXCLUSIVE TO FORTY WINKS Base pictured sold separately Features2-Stage Align Support System Flexi Cased Edge Support Sense Material Comfort Core Smar Tex Fabric Healthshield New-Life Fabric Sealy Comfort Layers Benefits Orthopaedically designed support Helps maintain your body's natural alignment Reduces tossing and turning Smar Tex maintains a comfortable sleep climate Perfect for stomach sleepers Mattress Care Rotate your mattress regularly to ensure an even amount of wear across the sleep surface. Turn the mattress by 180 degrees, but do not flip it over. First 3 months rotate every 2 weeks, then continue to rotate once every 3 months.Base pictured sold separately | Sealy Acclaim Alpine Ultra Firm Mattress, King Single Size
Utilising unique support technology, the ACCLAIM ALPINE ULTRA FIRM KING SINGLE MATTRESS ensures you’ll experience better support and comfort. The Align Support coil system has been designed to support your body’s natural alignment so you can enjoy a deep sleep, while the Comfort Core layer with Sense Material provides added pressure relief. Sweaty nights will become a thing of the past thanks to the Smar Tex fabric which helps to maintain a comfortable sleep climate. For additional stability of the mattress surface, the walls have been reinforced with Flexi Cased Edge Support. EXCLUSIVE TO FORTY WINKS Base pictured sold separately Features2-Stage Align Support System Flexi Cased Edge Support Sense Material Comfort Core Smar Tex Fabric Healthshield New-Life Fabric Sealy Comfort Layers Benefits Orthopaedically designed support Helps maintain your body's natural alignment Reduces tossing and turning Smar Tex maintains a comfortable sleep climate Perfect for stomach sleepers Mattress Care Rotate your mattress regularly to ensure an even amount of wear across the sleep surface. Turn the mattress by 180 degrees, but do not flip it over. First 3 months rotate every 2 weeks, then continue to rotate once every 3 months.Base pictured sold separately | Sealy Acclaim Alpine Ultra Firm Mattress, King Single Size
Utilising unique support technology, the ACCLAIM ALPINE ULTRA FIRM KING SINGLE MATTRESS ensures you’ll experience better support and comfort. The Align Support coil system has been designed to support your body’s natural alignment so you can enjoy a deep sleep, while the Comfort Core layer with Sense Material provides added pressure relief. Sweaty nights will become a thing of the past thanks to the Smar Tex fabric which helps to maintain a comfortable sleep climate. For additional stability of the mattress surface, the walls have been reinforced with Flexi Cased Edge Support. EXCLUSIVE TO FORTY WINKS Base pictured sold separately Features2-Stage Align Support System Flexi Cased Edge Support Sense Material Comfort Core Smar Tex Fabric Healthshield New-Life Fabric Sealy Comfort Layers Benefits Orthopaedically designed support Helps maintain your body's natural alignment Reduces tossing and turning Smar Tex maintains a comfortable sleep climate Perfect for stomach sleepers Mattress Care Rotate your mattress regularly to ensure an even amount of wear across the sleep surface. Turn the mattress by 180 degrees, but do not flip it over. First 3 months rotate every 2 weeks, then continue to rotate once every 3 months.Base pictured sold separately | Sealy Acclaim Alpine Ultra Firm Mattress, King Single Size
Utilising unique support technology, the ACCLAIM ALPINE ULTRA FIRM KING SINGLE MATTRESS ensures you’ll experience better support and comfort. The Align Support coil system has been designed to support your body’s natural alignment so you can enjoy a deep sleep, while the Comfort Core layer with Sense Material provides added pressure relief. Sweaty nights will become a thing of the past thanks to the Smar Tex fabric which helps to maintain a comfortable sleep climate. For additional stability of the mattress surface, the walls have been reinforced with Flexi Cased Edge Support. EXCLUSIVE TO FORTY WINKS Base pictured sold separately Features2-Stage Align Support System Flexi Cased Edge Support Sense Material Comfort Core Smar Tex Fabric Healthshield New-Life Fabric Sealy Comfort Layers Benefits Orthopaedically designed support Helps maintain your body's natural alignment Reduces tossing and turning Smar Tex maintains a comfortable sleep climate Perfect for stomach sleepers Mattress Care Rotate your mattress regularly to ensure an even amount of wear across the sleep surface. Turn the mattress by 180 degrees, but do not flip it over. First 3 months rotate every 2 weeks, then continue to rotate once every 3 months.Base pictured sold separately | Sealy Acclaim Alpine Ultra Firm Mattress, King Single Size
in 3 offers
The lowest price for Sealy Posturepedic Acclaim Alpine Mattress King Single right now is $1,124.00 at Forty Winks.
The all-time low was $939.53 on 21 July 2025 — today's price is 20% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 6 Nov 2026.
