The Latex Topper is Stage 3 in our 3 Stage "Grow with Me" system for kids who've reached 85 lbs. or more. This topper is the perfect layer for pre-teens and teens' growing bodies. It offers pressure point relieving support and fits in between the wool topper and mattress. It is covered in the same Little Lamb certified organic cotton. We use only Soft 100% Botanical Dunlop latex for the 2" latex core. There is no wool in this product.