— The Pro Collection — Support. Where it matters. The firmest mattress we make. Engineered in Europe for sleepers who want a genuinely firm surface. Built for the body that needs more. Higher-density memory foam over a structured support core delivers steady, level support that holds its line through the night. Built for sleepers who prefer firm, and for heavier body types who sink too deep into ordinary mattresses. Where the Lux 24 yields and the Signature 24 balances, the Pro 24 holds. The same premium European foam, tuned for structure instead of surrender. Firm support Steady and level, all night. High-density memory foam Premium European core. 10-year warranty Support, guaranteed.