The down alternative duvet consists of sterilized and hypoallergenic down alternative microfiber fill with a 350 GSM fill weight suitable for all seasons. The duvet insert is soft, warm, hypoallergenic, and lightweight. The down-alternative fill provides a feeling like sleeping under a marshmallow as it replicates the feeling of down bedding. It has a baffle box construction, which keeps the infill intact and gives you an ideal loft. The duvet insert has a 100% certified organic cotton shell that manages heat and moisture to effectively reduce humidity throughout the night. The construction features double-needle stitching with hand-made gray satin piping, which enhances the life and look of the insert.