The Signatory Superb marks the entry point into a two-layer spring architecture, merging hand-opened long-stranded Austrian Moosburger® horsetail with hand-teased Real Shetland Wool blended with cashmere. This pairing shapes both the feel and the thermal behavior of the sleep surface, delivering a refined balance of comfort and temperature regulation that a single filling cannot achieve.
The ticking uses a breathable blend of wool, silk, and viscose to condition the microclimate from first contact. The upholstery builds in layers—British fleece wool for resilience and moisture management, followed by the long, naturally crimped Horsetail to resist compression and maintain loft. Real Shetland Wool blended with cashmere offers a softer transition, then Real Shetland Wool and organic cotton add body and absorption. The spring system features two layers of hand-nested vanadium steel calico pocket springs, with 3,296 independent springs in a King size for weight- and movement-responsive support. The border is padded with coir and wool, reinforced by four rows of hand side-stitching to extend the usable surface to the edge, while woollen tufts and twine compression secure a stable, consistent depth at every tuft point.
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