The Firmus is the firm end of Sprout's three-mattress line, and the name is doing honest work. A queen holds 750 zoned pocket C-coils, double edge-guarded, with 14-gauge wire at the head and foot and heavier 13-gauge wire reserved for the lumbar zone alone. Coil gauge runs backwards from what you might expect: the lower the number, the thicker the steel. So the middle third of this bed pushes back hardest exactly where your body presses down most. This is a true two-sided, tight-top mattress, the kind you flip and rotate the way mattresses were built to be. On each face, the comfort layers are wool, 100% Dunlop latex, and cotton under a herringbone 100% cotton cover. Hand-tufting with wool rosettes pulls those layers tight so they resist body impressions instead of collecting them. Why the badge on the side matters Sprout mattresses are handcrafted in Edmonton by Araam Inc. and endorsed by the Canadian Chiropractic Association, which represents more than 8,000 licensed chiropractors. As of mid-2026, Sprout is the only mattress line on the CCA's endorsement list, and the badge is stitched right onto the side panel. Firmus specs Style: two-sided, tight-top mattress (flip and rotate) Core: zoned pocket C-coil, double edge-guarded, 750 coils in queen Coil gauge: 14-gauge head and foot, 13-gauge lumbar support zone Height: 12 inches crown to crown Comfort layers per side: wool, 100% Dunlop latex, cotton Cover: herringbone 100% cotton, hand-tufted with wool rosettes Warranty: 10-year full warranty, not prorated Handcrafted in Edmonton, Alberta by Araam Inc. A queen is $4,883 CAD at 2026 MSRP. Pair it with the Sprout slat box foundation or the 4-inch low-profile box spring; a proper, even base keeps a two-sided build supported and the warranty intact. If you suspect firm is more than you need, the medium Durus is the middle path and the soft Somnus is the plush end of the same construction. For the clinical view on matching firmness to your back, our guide to what chiropractors actually recommend covers the evidence. Prefer a bed you never have to flip? The single-sided Firmus runs a step firmer still and brings the queen price down to $3,264. Firm is a feel you should test before you commit to it. The Firmus is on our floor at 441 1/2 West Street in Brantford, our staff are non-commission, and our 60-day comfort guarantee applies. Call us at (519) 770-0001 and we will have it ready for you to try.
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