Silk comforters are ideal alternatives to down. They are filled with silk floss and enclosed in a silk or cotton cover. They provide insulation, are naturally hypoallergenic, and lightweight.
SilkComforter.info is a great guide for anyone wanting to know more...
posted originally from: AT:New YorkWe've been thinking of getting one to replace our down comforter, as it is old and has started leaving feathers all over the apartment. The layered silk fibers of a silk comforter kind of adhere together and don't leak or bunch up. For cleaning, silk comforters can be hand-washed and tumble dried.
To purchase, these two sites look like a good start: White Loft Silk, Blue Stone Home.