The comforter is covered in an incredibly soft and breathable Egyptian-quality cotton blend, it is soothingly soft against your skin and encases sumptuous warmth, you will feel like sleeping on the clouds and noiseless when moving. Down has better insulation than other types of fillings (55% down fibre 25% down 15% feather fibre 5% feathers). It keeps you warm without adding extra weight and bulk. we use responsibly harvested down & feathers, Oeko-Tex Standard 100, RDS, BSCI, and Sedex passed. The longer you use it, the more comfortable and fluffy our luxury feather-down comfort will become, and the crunch of the feathers will disappear, there will be no feathers poking you and no odour. Hurray.