AI-powered Summary
FORM and Purple both use open-grid comfort layers. FORM adds Integra-Mesh reinforcement beneath GelGrid. FORM publishes a 365-night trial, lifetime limited warranty, GREENGUARD Gold and OEKO-TEX certifications, and CertiPUR-US certified-foam coverage. Purple publishes a 100-night trial, 10-year limited mattress warranty, CleanAir Gold, and CertiPUR-US certified-foam claims. Trial, warranty, return, and certification scope differ by model and brand. FORM publishes this comparison. Details checked August 10, 2026 and may change; compare current terms before purchase.






