The Signatory Superb begins with a breathable ticking crafted from wool, silk, and viscose—chosen not for looks, but for their combined softness and airflow that condition the microclimate from first contact. Inside, the upholstery layers build resilience and comfort: British fleece wool for moisture regulation, hand-opened Austrian Moosburger® horsetail for lasting loft, and Real Shetland Wool blended with cashmere to create a finer, warmer transition that moderates temperature without trapping heat. A core mix of Real Shetland Wool and organic cotton adds body and absorptive capacity through the night, while the two-layer hand-nested vanadium steel calico pocket springs respond independently to weight and movement for continuous, zone-conscious support throughout the sleep surface.
Along the border, coir and wool anchor the edge, reinforced by four rows of hand side-stitching to extend the usable surface and maintain the upholstery profile over years of use. Each mattress is hand-tufted with woollen tufts and twine, compressing the filling layers into a stable, consistent depth at every tuft point to enhance durability and long-term shape retention.
- Independent-pocket spring system with 3,296 springs in King size for precise support
- Hand-opened Austrian horsetail paired with cashmere blends for balanced loft and warmth
- Premium natural materials including wool, silk, viscose, and organic cotton for breathability
- Strategic layering for moisture management and microclimate conditioning
- Hand tufted and edge-stitched for durability and edge-to-edge usability
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