The de Sede topper is like an additional thin mattress that is placed over the original one. Using a topper makes your sleeping pleasure absolutely perfect. Like the de Sede mattress, the topper is also made exclusively from the choicest natural materials, and has a summer side and a winter side. Specially selected raw materials such as cashmere and natural silk ensure a balanced climate whatever the season. For a natural bed climate and relaxing sleep all year round.