This 23oz (651 grams) duvet, with its gusset finish, is filled with a sumptuous white Canadian down, taken from birds that live in the open air in Canada. The loft power of this down has no equal, and the comfort of this duvet is maximum. The fabric quality of the duvet has been studied so that it is, at once, soft as silk and resistant enough not to let down slipped through. This duvet has thermoregulation properties, which means that it adapts itself you’re your body temperature during the night; this is the end of perspiration under your duvet, whatever the season is. All the duvets available at Luxury Duvet come with guarantees and certificates. You will find several tags attached to your duvet, such as the Canadian maple leaf, that ensures you that the duvet is from Canada, the tag of the Canadian Down Association which certifies that our company is one of its member, the Allernoon 21 tag which guarantees that your duvet has received an anti-microbial treatment and that it resist growth of bacteria and mouldsd, among others, the last tag reports the batch number of the down that fills your duvet, so that we are able to trace the product. With the 4 saisons duvet, sleep comfortably in a good duvet all year long!