Designed for a king-sized mattress Cold-weather duvet provides the warmth you need without overheating Winter weight is ideal for homes with cooler temperature or those who find a four-season weight duvet too light Uses four-way Baffle Box construction to create an evenly distributed fill and eliminate cold spots often associated with down shifting More than 575 cu. in./oz fill power, meaning it’s filled with quality down that produces more air pockets to increase breathability and insulation Down material allows excess heat and moisture to escape, creating a more even temperature 100% fine cotton shell to enhance the qualities of duvet Double stitching and white piping finish 260 thread count Hypoallergenic due to extensive wash, rinse and anti-microbial treatment Dry clean only Fill is made in Canada