A twelve-inch mattress of pure organic latex, hand-built one at a time in three chambers, and reversible from end to end.
The Ultimate is built from three separate layers of organic latex, each sealed into its own zippered chamber, then quilted on both sides in natural cotton and wool. There is no right side up. Only two ways to sleep well.

Breathable and moisture-wicking, cotton quilts the surface soft and cool, and stands up to a lifetime of nightly use without losing its shape.

Wool regulates warmth in both directions — drawing away moisture, tempering heat in summer, holding it in winter — and resists flattening for years.
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Drawn from the sap of the rubber tree, natural latex contours to the body with a buoyant, even support that resists sagging for decades.
We make, sell, deliver and guarantee every Ultimate ourselves — no middleman, no department-store markup. Each mattress is built to order at our own workshop and set up personally in your home.
Quilted on both sides, so either face can be the one you sleep on.
Sewn-in handles and a full zipper cover on every chamber for easy care.
Soft, Regular Firm, Extra Firm, or Ultra Firm — chosen to fit you.
Backed by two decades of coverage, the same as the day it's delivered.