Goose feather is used in this fine quality Piume Tube Mattress Topper. With a 5cm thick filling, it creates a beautifully soft comfort zone between you and the bed. It’s natural climate control properties mean that when you’re too warm it absorbs heat to cool you down. If you get cold it releases heat to warm you up! Ideal for use all year round meaning you get an uninterrupted and idyllic sleep every night.