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Silentnight Airmax Mattress Topper - 5cm Depth, King Size

Silentnight Airmax Mattress Topper - 5cm Depth, King Size

The Silentnight Airmax Mattress Topper is designed to enhance the comfort and breathability of an existing mattress. Its primary function is to provide an additional layer of cushioning and temperature regulation, aiming to improve sleep quality. The topper fits standard king size beds and is secured in place with elasticated corner straps to prevent shifting during the night. Key features include a 5cm dual-layer construction that promotes airflow between layers, helping to dissipate body heat. The sides incorporate air mesh panels to further enhance ventilation around the sleeper. It is deeply filled with hollowfibre, a lightweight and hypoallergenic polyester material that provides softness and loft. The entire topper is covered in a 100% polyester fabric that is machine washable at 40°C and suitable for tumble drying, making maintenance straightforward. The design is non-allergenic, which can be beneficial for those with sensitivities. This topper is well-suited for individuals looking to refresh an older mattress that may have lost some of its initial comfort, or for anyone seeking added softness and improved airflow. Its breathable properties make it practical for use across different seasons. The easy-care washable cover adds to its convenience for regular household use. It serves as a cost-effective alternative to purchasing a completely new mattress, extending the life and comfort of your current bed setup.
Brand:Silentnight
Compare prices from £45.00 to £48.95
Save £3.95 (8%)
4.5 / 5(9,105 reviews)
5012701437202
2 retailers
Habitat Product reviews 4.5 (4,387) Best price
£45.00 *
In Stock Free delivery over £100.00 Click & collect Pay later: Yes
Retailer information

We checked this product from this store on 18 Feb 2026 at 21:23.

Delivery

Free over
£100.00
Time
Standard delivery: choose preferred date
Free delivery on small items over £100
Fast Track same day by 9pm for £7.95
Restrictions
Excludes large items, clothing, and partner-delivered products
delivery restrictions may apply to Northern Ireland and Scottish Highlands
smaller items delivered to more areas including Scottish Islands, Isles of Scilly, Isle of Man.

Collection & in-store

Click & collect
Available
Ready in
Immediately, subject to availability
Locations
Argos stores, Argos stores within Sainsbury's supermarkets, collection points within selected Sainsbury's supermarkets
Free collection
Availability
Available online only

Payment & finance

BNPL
18+ UK residents only, subject to status
Pay later
Klarna

Support

Self-service
Order tracking and returns initiation via website

Other

Loyalty
Nectar points
Open retailer
Argos Product reviews 4.5 (4,718)
£48.95 (incl. £3.95 delivery)
In Stock Same day if ordered by 1pm, next day and standard delivery options available. Click & collect
Retailer information

We checked this product from this store on 19 Feb 2026 at 17:12.

Delivery

Cost
£3.95
Time
Same day if ordered by 1pm, next day and standard delivery options available.
Restrictions
Minimum £20 spend for Argos Plus delivery, excludes clothing and supplier-delivered items. Subject to stock, postcode, and availability.

Collection & in-store

Click & collect
Available
Availability
In store & online

Support

Self-service
Order tracking online via website.
Open retailer

* Price may not include delivery when not stated by the retailer. Prices may have changed since we last checked. We are not liable for any errors or omissions; please confirm price, availability and terms with the retailer before purchasing.

Page last updated: 19 Feb 2026, 17:12