The Minerva is filled with the 100% Siberian goose down with extreme fill power. The ticking is a soft woven batiste that falls extremely smoothly around the body. The ticking has undergone the fital finisch. This biological and mechanical treatment ensures that the ticking absorbs moisture 5 times faster and dries twice as fast. The ticking is cassette stitched so there is no heat loss on the stitching seams and has a raised edge that ensures the insulating effect to the outside of the comforter. *Our comforter also has the Down Pass certificate. *Down Pass Label This stands for high quality and the guarantee that the down and feathers have been ethically sourced. Moreover, suppliers are strictly controlled and the entire chain of down supplies is traceable.