Boutique Extra Firm MattressThe Boutique Extra Firm Mattress is designed for back and stomach sleepers who prefer a firmer, more stable sleep surface with strong support. Combining a 2. 4mm coil spring system with extra firm high density foam, it delivers a supportive feel that helps reduce sinking while maintaining everyday comfort. The extra firm foam layer adds structure through the comfort system, while the Euro top and quilted surface provide a touch of cushioning so the