Harrison Spinks Onyx 7750 Mattress

Harrison Spinks Onyx 7750 Pocket Sprung Mattress

Comfort, Craftsmanship, and Conscious Design

The Harrison Spinks Onyx 7750 Mattress is a beautifully handcrafted, high-performance mattress designed to offer long-lasting comfort, advanced support, and sustainable luxury. With up to 7,750 pocket springs (in a king size) and layers of naturally breathable fillings, the Onyx 7750 is perfect for sleepers seeking a responsive, medium feel with eco-conscious materials and British-made quality.

🛏️ Key Features:

• Up to 7,750 Pocket Springs (King Size)

  • Multi-layered support system featuring Cortec™ pocket springs and HD micro springs for superior pressure relief and tailored comfort.

  • Each spring responds individually to body weight, promoting healthy spinal alignment and minimizing partner disturbance.

• Natural Fillings for Breathability

  • Crafted with British wool, cotton, and home-grown hemp and flax, all sustainably sourced.

  • Moisture-wicking and thermoregulating for a cool, dry, and fresh sleep environment all year round.

• Turnable Design

  • Dual-sided mattress with summer and winter sides to maintain consistent comfort across seasons.

  • Regular turning helps prolong mattress life and maintain performance.

• Medium Tension

  • Perfectly balanced for those who prefer supportive comfort without excessive firmness or softness.

• Eco-Friendly Construction

  • 100% foam-free and glue-free, made from recyclable materials and free from harmful chemicals.

  • Features chemical-free, woven cover fabric that’s kinder to the skin and better for the planet.

• Edge-to-Edge Support

  • Two rows of hand side-stitching reinforce the mattress borders, allowing full use of the mattress surface without sagging at the edges.

• Handcrafted in Yorkshire

  • Meticulously made by expert bedmakers using traditional techniques at the Harrison Spinks factory in the heart of Yorkshire.

• 10-Year Guarantee

  • Built to last, and backed by a decade-long guarantee for your peace of mind.

🌿 Benefits at a Glance:

• Advanced multi-spring system for targeted body support

• Natural, breathable fillings help regulate temperature and reduce allergens

• Dual-sided design for seasonal comfort

• Sustainable, eco-friendly, and recyclable

• Handmade quality for long-lasting durability

• Ideal for side and back sleepers wanting medium-level support

📏 Product Specifications:

• Type: Pocket sprung mattress

• Spring Count (King): 7,750

• Fillings: Wool, cotton, flax, hemp

• Tension: Medium

• Turnable: Yes – dual-sided

• Edge Support: Two rows hand side-stitched

• Mattress Depth: Approx. 28–30 cm

• Made in: United Kingdom

• Guarantee: 10 years

Choose the Harrison Spinks Onyx 7750 Mattress for responsive comfort, ethical craftsmanship, and a better night’s sleep—naturally.

Delivery is free of charge to mainland UK addresses only and we aim to deliver this item within  6 weeks.

After you place your order, we will contact you via email to confirm dispatch or to book a delivery date, if for any reason your delivery will be longer than expected we will advise at this point and if you are not satisfied with the delay we will automatically refund your money