From M&S
Made from pure brushed cotton, this deep fitted sheet offers a luxuriously soft and cosy feel against your skin. The elasticated corners ensure a secure fit over your mattress, while the special thermal technology helps regulate your temperature throughout the night. Its deep design accommodates mattresses up to 30cm, making it a practical choice for modern bedding needs.Light Warmth Heat Rating: M&S' Light Warmth rating is for cooler days and is perfect for in between seasons. This fabric is proven to show soft thermal performance helping to keep the chill away.