* 3200 hand tied pocket calico core springs for tailored support* 2 row layered spring unit for additional support and comfort* Sumptuous alpaca layer for a soft, plush feel* Premium horsehair filling that provides responsive support whilst allowing airflow* Dual sided to prolong the longevity of the mattress* Hand embroidered border and hand stitched details The Dorma Natural Ultimate 3200 Pocket Calico Spring Alpaca and Horsehair Mattress is crafted to deliver a truly luxurious night’s sleep, combining thoughtful design with premium natural materials. Its hand‑tied 3200 pocket calico spring unit responds independently to your movements, offering precise, adaptive support, while an additional layered spring row adds depth and comfort for a more restful feel. A plush layer of alpaca brings soft, breathable cushioning that helps regulate temperature, paired with resilient horsehair filling that keeps the mattress feeling supportive and fresh. With a dual sided design for lasting durability, sturdy handles for easier turning, and beautiful hand stitched and hand tufted details that showcase exceptional craftsmanship.**Dorma**Established in 1921, Dorma is a British heritage brand synonymous with quality, luxury and impeccable attention to detail. Dorma; our name is your guarantee.