The Anchor Support Foam Extra Firm Mattress is expertly designed for adults who require maximum firmness and orthopaedic support, delivering a highly supportive sleep surface that promotes optimal spinal alignment and posture. Built with a substantial 20cm high-density foam profile, this mattress is ideal for those who prefer an extra firm feel with minimal sink and superior stability. At its core, high-density reflex foam (40kg/m3) provides exceptional resilience and durability, ensuring even weight distribution and long-lasting structural integrity. This extra firm construction helps reduce pressure on key areas while maintaining a strong, supportive base for consistent sleep posture throughout the night. The mattress is finished with a quilted zip-off cover, offering a touch of surface comfort while remaining practical and easy to maintain. The removable cover supports improved hygiene, making it ideal for everyday use in adult bedrooms or guest spaces. Its all-foam construction ensures completely silent sleep, with no springs or coil noise, making it perfect for uninterrupted rest. Proudly UK manufactured to high standards, this mattress combines durability, performance, and premium support. This mattress also conforms to BS7177 British fire safety regulations, providing added reassurance for safe use in the home. With its 20cm depth, it is compatible with most bed frames, divans, and bases, making it a versatile choice for anyone seeking a super firm orthopaedic mattress. Viscotherapy Mattress Size: Single (3')