Simplicity at its best. The Serenade combines supportive, GOLS-certified latex and individually encased coils for sleep as nature intended. Along with breathable organic cotton and wool, this hybrid mattress design offers contoured cushioning, optimal pressure-point relief, and three firmness selections, making it a perfect choice for sleepers of all types and sizes. Materials: Certified organic cotton, wool, and latex for a more natural sleep environment, with GOTS-allowed accessory materials. Design: Hybrid mattress with latex that contours to your body and coils to keep your spine aligned. Temperature: Breathable cotton, moisture-wicking wool, and perforated latex foam support cooler sleep. Firmness: Firm, Cushion Firm, or Plush. Made without harmful materials like flame retardants, fiberglass, polyurethane foam, or glues/adhesives. Naturepedic Certifications: Certified Organic by the Global Organic Textile Standard Certified Organic Latex by the Global Organic Latex Standard Certified by the Organic Exchange OCS100 Certification Program for Organic Content Standard Certified Non-Toxic by MADE SAFE UL/GREENGUARD Gold Certification for chemical emissions testing Certified for the Forest Stewardship Council