30cm Mattress Depth
MEDIUM-FIRM Support
Pocket Spring Mattress with premium antibacterial and skin sensitive soft fabric, and Pillow-Top layer that consists of high density durable Soft foam layer with double layers of comfort foam in quilt and an additional high density support foam. it’s springs positioned in separate bags which allows couples to sleep in peace and comfort without feeling much movement of one another. The Kappa Black Mattress is one of Alpha Bedding co best selling mattresses.
Drift into deep, restorative sleep with the Alpha Beds Kappa Black 12″ Mattress, a premium sleep solution that combines advanced comfort layers, responsive pocket springs, and the refined elegance of a black knitted finish. Designed for sleepers who prefer enhanced support with luxury comfort, the Kappa Black delivers exceptional pressure relief, stability, and temperature regulation.
With a medium-firm feel, this mattress is ideal for those seeking structured support without sacrificing comfort.
Advanced 12-Layer Construction
The Alpha Beds Kappa Black Mattress features a carefully engineered, multi-layer design to ensure long-lasting comfort and support:
Premium Knitted Fabric
A luxurious, soft-touch outer cover that provides a comfortable and breathable sleep surface with a premium finish.
Thermobond Fiber
Helps maintain the mattress’s shape and structure, improving durability and long-term performance.
Super Soft Roll Foam Layers
Adds plush softness and gentle cradling comfort for a more relaxing sleep experience.
Non-Woven Fabric
Enhances durability and flexibility while improving airflow for a cooler, more hygienic sleep.
High Density Visco Foam Layer
Adapts to your body’s contours, offering excellent pressure relief and personalised comfort.
High Resilient Foam Layer
Provides durable support and resilience, helping the mattress retain its performance over time.
Foam Layer
Offers balanced support while adapting to body shape for improved comfort and pressure distribution.
Foam Layer
An additional comfort layer enhancing body contouring and overall support.
Pocketed Coil Spring System
Individually wrapped pocket springs deliver targeted support, promote proper spinal alignment, and minimise motion transfer.
Foam Encasement
Reinforced foam edges surround the spring unit to improve edge support and mattress stability.
Felt Layer
Provides added padding and support between the comfort layers and the spring core for increased durability.
Bottom Quilt
The foundation layer of the mattress, ensuring stability and structural integrity.
Comfort & Performance Features
Firmness Level: 4.0 (Medium-Firm)
Offers enhanced support while maintaining comfort
Pocket Spring Support – Targeted support with reduced motion transfer
One-Sided Design – No flipping required; rotate periodically
Spine Support – Helps maintain healthy spinal alignment
Breathable Construction – Encourages airflow for temperature regulation
Heat Balance & Moisture Management – Maintains a comfortable sleep environment
Antibacterial Properties – Supports a cleaner, fresher sleeping surface
High Density & Hyper Comfort Sponge – For superior pressure relief and comfort
Siliconized Fiber – Improves airflow, softness, and resilience
30cm Mattress Depth
MEDIUM-FIRM Support
We won’t’ be beaten on price!
Did you find a better price somewhere else? We’ll gladly price match the competition.
And of course, by shopping with us you get the benefit of our expertise.
Price Match conditions:
1. Our Price Promise applies to any competitor in the mainland UK, including UK websites but excluding factory outlets, membership clubs, duty free shops, home shopping channels, other auction sites, market stalls, private sales and liquidation (or any other “closing down” or insolvency) sales.
2. The product must be new, identical in style, specification, size and colour, and offered on the same terms.
3. The competitor store or website must have the product in stock and available for immediate purchase or delivery.
4. Gift vouchers, voucher codes and cash back are exempt.
5. Typographical errors shall not apply. No affiliate, promotional, voucher code or media discount applies. Any other retailer’s price match promotion which offers an additional rebate or other benefit for any price matched product is also excluded.
6. We must be able to verify the competitor’s price and stock position to our satisfaction.
7. The price being matched must include all taxes (including VAT), postage and packing charges as applicable.
8. All Price Promise transactions are carried out at our discretion.
9. We reserve the right to withdraw this Price Promise at any time.
30cm Mattress Depth
MEDIUM-FIRM Support
PLEASE ENSURE THAT YOU PROVIDE US WITH A DAYTIME TELEPHONE NUMBER AS WE NEED TO CALL YOU TO ARRANGE YOUR DELIVERY
If your item is in stock you can have this delivered on a FREE next working day delivery if ordered before 4pm or alternatively choose another day that suits you if that is not convenient*
For all large items, we can arrange a 2-man room of choice service with the items unpacked if required and all packaging removed. Please contact us for further information.
Our delivery partner will contact you the evening prior to your chosen day of delivery with a 2 hour time slot and a further call is made on the delivery on the day itself.
Please note that if you require our Remove & Recycle or disposal service, we cannot offer next-day delivery. Please contact us for further information.
For single mattresses (2’6 or 3′), Vacuum packed or rolled mattresses and smaller items such as pillows we also offer a next day service but this is a one man delivery to the door only.
Orders placed after 4pm will be available for delivery within 2 working days.
Deliveries are made Monday to Friday as standard, a Saturday delivery is available on either the one man or two man service for an additional £30.00
If the item is not available from stock or is made to order there are delivery lead times on the specific product. Once the item is available for delivery we will contact you to arrange a convenient day.
Please note that the delivery price stated (where applicable) is for Mainland UK only.
Delivery to Scottish Highlands, Grampians, Southern and Northern Ireland, Isle of Man and the Isle of Wight is available but will incur additional delivery charges.
Additional services such as assembly is available on certain items. We are here to help so please contact us for further information or alternatively call (0800) 614 172 or (01529) 301919
Mon – Sat 9am-5.30pm Sun 10am-4pm.
*certain product categories are subject to a minimum order value of £299.00
30cm Mattress Depth
MEDIUM-FIRM Support
Understanding that reliability and peace of mind are vital to our customers, we provide a comprehensive manufacturer’s guarantee on all our mattresses, upholstered beds, and headboards.
Price Promise Guarantee
