The Sleep Philosophy down alternative comforter collection features 3M Thinsulate Featherless Insulation-600 Fill Power. This revolutionary, loose fill down alternative mimics or surpasses the performance of natural down in Fill Power, loft and overall performance. Made of durable, lightweight polyester fibers, 3M Thinsulate Featherless Insulation provides warmth without a single feather. The Sleep Philosophy down alternative comforter collection features a silky-soft 300 thread count, 100% cotton sateen cover. The comforters have sewn through diamond quilting so that the down alternative fill doesn’t bunch or shift. They’re also hypoallergenic so you’ll have a comfortable "sneeze-free" night’s sleep. It’s also machine washable for easy care. Great sleep, it never goes out of style. That’s our Sleep Philosophy. FEATURES Patented 3M Thinsulate Featherless Insulation-600 Fill Power Maximum warmth comforter for cold weather Silky soft 100% Cotton sateen face cover in 300 thread count Classic diamond quilting Thinsulate fill weight Twin 36 oz, Full/Queen 49 oz, and King 59 oz Conveniently machine washable This Level 3 down-alternative comforter provides maximum warmth for when it's really cold and all you want to do is just stay in bed. Filled with 3M featherless fiber, this revolutionary, loose down-alternative fill mimics or surpasses the performance of natural down in fill power, loft and overall performance. Heavyweight warmth 300-thread-count cotton sateen cover Diamond quilting prevents the fill from shifting, providing an even layer of warmth and comfort Provides warmth without a single feather Hypoallergenic Twin: 36-ounce fill weight Full/queen: 49-ounce fill weight King: 59-ounce fill weight Cotton cover with polyester fill Washable Imported Features: Quilted, Down Alternative Thread Count: 300 Warmth Factor: Extra Weight Bed Size: King Base Material: 100% Cotton Care: Machine Wash Bed Cover Type: Comforters Country of Origin: Imported