The Kouchini Organic Wool Overlay, made from premium Australian wool and natural cotton filling, offers all-season comfort with its fully reversible design—keeping you warm in winter and cool in summer. Crafted from naturally hypoallergenic materials, it resists dust mites, bacteria, and fungus, ensuring a healthier sleeping environment. Its breathable, cooling properties help dissipate heat and excess moisture, preventing overheating or night sweats. The double-scoured wool guarantees exceptional purity and softness, while the quilted construction provides lasting durability. Easy to maintain, this machine-washable overlay also extends the life of your mattress.