Premium quality Canadian Standard White Goose Down supplied by RDS members, ensures that down and feathers come from animals that have not been subjected to any unnecessary harm. Filling power of 600 loft provides excellent insulating ability to allow you to sleep with maximum comfort matching your body temperature. Warm yet light-weighted and breathable. No feather was added. Our natural and sustainable comforter casing features 300TC 50% Tencel lyocell/ 50% natural cotton blend fabric. Made from renewable wood sources, Tencel lyocell is softer and smoother than cotton. The fabric adapts to body temperature, making it ideal for hot sleepers and those with skin sensitivities. Corner ties offer the option to put on your favorite duvet cover and secure the comforter in place. Okeo-tex Standard 100 Class 1 Certified.