The Siberian Moscovy Down Duvet is filled with the 850+ fill power remarkable down from the Siberian Muscovy duck, sourced from a free-range open farm in Siberia. This down is renowned all over Europe for being one of the best down available, having properties almost identical to Eider down. Moscovy down consists of exceptionally large grey plumules that have amazing cling and insulation properties. Therefore, they are incredibly weightless. The extremely breathable and specialty woven 400 thread count down proof 100% cotton shell is finished with reinforced double stitching, piped edging, and features a baffle box design with Duvetlock® to ensure warmth is maintained evenly and cold spots are eliminated. The Siberian Moscovy Down Duvet is best paired with the Siberian Moscovy Down Pillow for one of the best sleeps you will ever have and wake up rejuvenated! Specifications 850+ Fill power Russian Muscovy Down 400 Thread count 100% Cotton shell Double-stitched and piped edges 15" Baffle Box with Duvetlock® Sanforized Hypoallergenic: get a restful night's sleep without the worry of allergens Oeko-Tex certified: free from any unhealthy or harmful textile chemicals Made in Canada Care Use a Duvet Cover Fluff up daily Air outside on a nice day — avoid direct sunlight & humidity Spot clean only in extreme circumstances Certifications