Beautifully soft and snuggly, this luxurious fleece topper is perfect for year-round comfort. Wool is effective at regulating temperature, it also naturally inhibits the growth of bacteria. Luxurious wool is naturally temperature regulating and breathable. It keeps the heat in when nights are cold and lets it out when they're hot. This mattress topper is designed to fit a deep mattress up to 36cm in depth and is held in place with an elasticated band fitting. This high quality topper is individually made in Lancashire at a family run business established over 100 years ago.