Sleep soundly with the Slumberdown Anti Allergy 13.5 Tog All Seasons Duvet, specially designed to protect against dust mites and allergens. Endorsed by Allergy UK, this duvet features a soft-touch microfibre cover and anti-allergy filling that helps reduce symptoms for allergy-sensitive sleepers. With a cosy 13.5 tog rating, it’s ideal for colder months or year-round warmth in cooler homes. Slumberdown Size: Super King