DuraPlush foam technology adds superior cushioning and a rich fullness to your carpet. Condensed, pure urethane foam ensures durability and long-lasting beauty of carpet. VaporFLO barrier keeps spills on top and allows vapor to escape from below. Fresh Dimension antimicrobial inhibits the growth of mold, mildew, and odor-causing bacteria. CRI Green Label Plus-certified for indoor air quality Fundamentally Green. Hypoallergenic. Insulates home for better energy efficiency.