Sleep Philosophy

Year-Round Warmth 3M Thinsulate Down Alternative Comforter


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Get the great sleep your mind and body need night after night with Sleep Philosophy's Year-Round Warmth 3M Thinsulate Down Alternative Comforter in twin, full/queen, or king size. With a revolutionary, loose fill that mimics natural down's fill power performance, this hypoallergenic comforter features a patented 3M Thinsulate™ featherless fiberfill made from durable, lightweight polyester fibers within a silky-soft 100-percent cotton sateen shell. The all-season fill weight provides an ideal warmth level for year-round comfort, while 12-inch box quilting minimizes cold spots and evenly distributes loft.


  • All season down alternative comforter with cotton sateen shell
  • Includes 1 comforter
  • Size: Twin, Full/Queen, or King
  • Twin Size Dimensions: 68" W x 88" L
  • Full/Queen Size Dimensions: 90" W x 90" L
  • King Size Dimensions: 104" W x 90" L
  • Material: 100% cotton sateen (shell) with 3M Thinsulate™ featherless fiber (fill)
  • Care: Machine wash cold, gentle, and separately. Do not bleach or iron. Tumble dry, low, and remove promptly.
  • Silky-soft 300 thread count cotton sateen shell.
  • Filled with a 600-fill power of hypoallergenic 3M Thinsulate™ featherless fiber, a kinder alternative to feathers, that maintains warmth and fluff over time.
  • Patented fill traps and holds body heat with moisture-release thin insulation.
  • All Season Fill Weight: Balanced comfort and warmth for year-round use.
  • Classic box quilting keeps the fill in place.
  • Corner loops to secure the insert to a duvet cover.
  • OEKO-TEX® certified for comfort and confidence.
  • Complete your bedding refresh with sophisticated style by adding Madison Park Signature's Luxury Collection Embroidered Cotton Sateen Duvet Cover Set
  • Imported
We have purchased all of our bedding for the last 30 years from City Mattress and your products and services have been consistently excellent. Thank you!!! Newton B. Green II