The Signatory Superb marks the entry point into a two-layer spring architecture, pairing hand-opened long-stranded Austrian Moosburger® horsetail with hand-teased Real Shetland Wool blended with cashmere. This pairing shapes the sleep surface’s feel and thermal behavior, delivering a refined balance of buoyant support and breathable comfort that adapts across the night.
The ticking blends wool, silk, and viscose for breathability and softness from the first touch, while the upholstery stack combines resilience, moisture regulation, and temperature moderation. A meticulous sequence of materials—British fleece wool, hand-opened horsetail, Real Shetland Wool with cashmere, and a core of Real Shetland Wool with organic cotton—provides body, absorbency, and nuance in temperature control. The two-layer vanadium steel calico pocket spring system delivers independent support across 3,296 springs in King size, with a durable border finished by hand side-stitching to extend the usable sleep surface and preserve the profile over years of use. Each mattress is hand-tufted with woollen tufts and twine to compress the fillings into a stable, consistent depth at every tuft point.
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