Filled with a blend of luxurious soft goose down and plump goose feather this duvet feels light and comfortable to sleep beneath. Encased in 329-thread-count cotton percale and finished with an internal box construction for even warmth (meaning no cooler patches) this duvet will keep you the ideal temperature all night.This duvet comes with buttonholes and cufflinks so you can build your own tog rating by joining two of the same range together during colder months.